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
  • B08B3/04—Cleaning involving contact with liquid
  • B08B3/06—Cleaning involving contact with liquid using perforated drums in which the article or material is placed
• • 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
  • B08B3/04—Cleaning involving contact with liquid
  • B08B3/041—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
  • B08B3/04—Cleaning involving contact with liquid
  • B08B3/045—Cleaning involving contact with liquid using perforated containers, e.g. baskets, or racks immersed and agitated in a liquid bath
• • 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
  • B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids

Definitions

• the present invention relates to machines for washing parts, for example metal parts used in industry.
• the present invention relates to a degreasing machine parts by means of solvent and / or hydrocarbons that allow the washing, degreasing and drying of said parts while respecting the environment.
• Such machines are known in the state of the art and are marketed for example by the companies UNION SPA, TEKNOX, ROLL, FIRBIMATIC SPA, ECOBOME INDUSTRY or DURR for example.
• these machines use a washing chamber in which a basket carrying the parts to be cleaned is introduced, for example in a suitable housing.
• this housing there is a basket door structure that allows washing in static mode or rotation.
• the chamber is connected to a solvent spraying circuit on the parts to be washed, the circuit being connected to a pump. Washing can be done by spraying and / or immersion.
• Parts wash cycles typically include the following steps:
• the basic principle of the present invention differs, (compared to what is currently done by the manufacturers as indicated above), by the presence of several independent working chambers (for example five chambers instead of one ) mounted on a rotating barrel and which each pass in turn in front of the various positions described below.
• the cycle time is thus reduced to a duration corresponding to that of the operation or the longest step and no longer the sum of the duration of all the operations or steps performed as in the state of the art.
• FIG. 1 illustrates a block diagram of a machine according to the invention
• Figure 2 illustrates a perspective view of the machine according to the invention
• Figures 3 and 4 illustrate a top view of the machine in two different situations
• Figure 5 illustrates a perspective view and partial section of the machine
• Figure 6 illustrates a perspective view and partial section of the machine
• Figure 7 illustrates a perspective view and partial section of the barrel
• Figure 8 schematically illustrates an active seal of the barrel
• Figure 9 illustrates a partial view of active joint
• Figure 10 illustrates a perspective view of a basket.
• FIG. 1 A general diagram illustrating the machine according to the invention is shown in Figure 1. In the center of the figure, there is the cylinder B according to the invention which will be described in more detail later in the present application.
• the chamber arrives at the first stage which is formed by a prewash station.
• a prewash station In the circuit necessary for this step, there is therefore at least one reservoir 1 comprising a liquid (typically a solvent) and a pump 2 for circulating the solvent in the prewash circuit.
• a filter 3 is added to the circuit to filter the liquid that has been used.
• the next station in the clockwise direction is for example a combined vapor phase station and drying of the washed parts.
• solvent vapors are first circulated directly from distiller 7 (rinsing and temperature rise of the parts), then absolute vacuum is evacuated by a vacuum pump 9 (drying by evaporation) via a condenser 8 .
• the last station of the machine rotating in the clockwise direction in this example, is a deodorization phase and the circuit comprises at least one condenser 8, a vacuum pump 9, an activated carbon filter 10 and a fan 11 .
• the chamber that has passed through all the successive stations is left in the initial loading / unloading position of the basket and the treated basket can be evacuated and a new one. shopping cart loaded.
• Figure 2 illustrates a perspective view of the unloading / loading of baskets step in a chamber and Figures 3 and 4 are top view illustrations.
• baskets 20, 21, 22 to be processed in the machine 30 arrive on a gutter 26 (for example formed of rails). These baskets (which will be described in more detail below) contain parts to be treated, for example to clean.
• the basket 22 is illustrated in a position in which it is grasped by a loading / unloading means 27, for example a rotating means, which is used to remove the basket which has been processed (basket 23 in FIGS. 2 to 4) and bring a new basket to treat (basket 22) above the room that will receive it.
• the illustrated position of the loading / unloading means 27 is that in which it has grasped the treated basket 23 coming out of the machine 30 and the new basket to be treated 22 at the end of the gutter 26.
• the baskets 24 and 25 are also baskets which have been processed and which leave the machine on the unloading line 28.
• loading / unloading means 27 is given by way of example and other equivalent means for loading and unloading the machine in baskets are conceivable.
• FIG. 5 illustrates the means used to load and unload a basket in a chamber 31 of the machine 30.
• the identical elements (baskets, loading gutter or unloading) corresponding to Figures 2 to 4 are referenced by the same numbers.
• the loading / unloading means comprise, for example, a cylinder 80 and a piston 81 which allow, on the one hand, to push the treated basket 23 (or the following baskets) out of the chamber 31 (situation illustrated in FIG. ) and then to bring the new basket to be treated (in this case the basket 22) in the chamber 31 when the loading / unloading means 27 has moved them to their new position (as in Figure 4).
• FIG. 6 illustrates a perspective view in partial section of the machine. Parts and elements identical to those described above are identified with the same reference numerals.
• the cylinder 31 comprising the chambers 32, 33 (sectional views) containing baskets 20 ' , 21 '.
• the machine 30 comprises several stations, in the embodiment illustrated five stations, including one loading / unloading baskets, which are distributed regularly along a circle which has Consequently, the rotation of the barrel 31 allows each chamber (in particular the chambers 32, 33) thereof to pass to each station provided.
• the successive positions are illustrated by the entries 40/41 for the first position, 42/43 for the second position, 44/45 for the third position and 46/47 for the fourth position.
• these stations may correspond to those described with reference to FIG.
• the barrel 31 rotates about an axis 48 (for example mounted on ball bearings), driven by appropriate means (for example a motor or a gear system or other equivalent means) not shown and passes each room from one station to another successively so that the station can perform the operation provided on the baskets brought successively by the rotation of the barrel 31.
• appropriate means for example a motor or a gear system or other equivalent means
• the barrel 31 and the chambers are shown in greater detail in FIG. 7, in which elements identical to those previously described are identified with the same reference numerals. More particularly, the barrel 31 is formed for example of two disk-shaped trays 31 'and 32' which are joined to each other by uprights 34, 34 'distributed around the circumference of the disks. These amounts are for example formed of rods with screws 35,35 'at each end.
• the barrel 31 also includes closed chambers 32, 33, 36 and 37 which are intended to contain the baskets.
• the machine 30 is shown partially disassembled in that, in addition to the fact that the outer cover has been removed in the figure, it has been shown that the bottom wall 30 'and uprights 30 "and 30'".
• the top wall is not shown and is fixed with the bottom wall 30 'by the uprights 30 "and 30'” and screws 38, 39.
• the uprights 30 "and 30 '" are not limited to two and are distributed on the circumference of the bottom wall 30 'and the top wall.
• each chamber of the barrel 31 comprises at each end an active joint which will be described in more detail later.
• these seals are referenced 50.
• a compressed air system whose arrival is done by the axis 48 of the cylinder 31.
• a circuit pneumatic device comprising a supply 60 which is connected to a distributor 61.
• the dispenser comprises a ring-shaped part and side branches 62 which open into the trays 31 ', 32' at the joints in order to activate them and close the chambers tightly when the treatment is done.
• Figure 8 illustrates in detail the connection of a branch 62 of the dispenser in the plate 32 'of the barrel, the seal being provided by a seal 63 type O-ring.
• This detail in section is for example taken in the chamber 36 when it is at the first station 40.
• the seal 50 comprises a washer 51 cut (for example metal) with two internal seals 52, 53 and an outer seal 54.
• the internal seals 52, 53 make it possible to close the chamber 55 which will be filled with air under pressure.
• FIG. 9 illustrates a half-seal 50 in section and in perspective. As indicated, each end of the chamber has such a seal which makes it possible to seal each chamber during treatment and to prevent liquid, for example, used for the treatment from being released into the atmosphere.
• FIG 10 schematically illustrates a basket as used in the present invention.
• This basket 70 is identical to the baskets 20-25 described in the previous figures and the This description applies to these.
• the basket 70 therefore has a preferably cylindrical shape and comprises an outer wall 71 perforated to allow the passage of treatment liquids.
• this basket is made of stainless steel or other equivalent material.
• the basket is closed by walls 72, 73 openwork also for the same reasons.
• Such a basket is designed and adapted to contain the parts to be treated, for example to clean, and the size of the openings must of course be adapted to the size of the objects contained so that they remain in the basket 70.
• a flange 74, 75 which includes grooves 76 oriented laterally. These grooves make it possible to turn the basket 70 in its chamber during the treatment, for example when a liquid is injected through the chamber. This rotation makes it possible to improve the cleaning of the parts by stirring them in the basket 70 during the treatment.
• the machine 30 is kept in a vacuum so as to prevent leakage of treatment liquid from occurring to the outside of the machine 30.
• a first basket is loaded into the first chamber, then the barrel is rotated one step (so that the first chamber is at the first treatment station and an empty chamber is at the loading / unloading station.
• a second basket in the second chamber and the barrel is rotated one step so that the second basket and the second chamber are now at the first treatment station while the first chamber and the first basket have passed to the second station. treatment.
• the third chamber that arrived at the loading / unloading station is loaded with a third basket and the barrel is turned one step.
• all rooms and baskets go to the next station and so on as long as there are free rooms arriving at the loading / unloading station.
• the following rotation brings to the loading station the first basket which had been loaded into the basket. first room initially.
• This cart has now completed a full treatment cycle and can be evacuated.
• this unloading is carried out by a cylinder piston which pushes the treatment basket out of the chamber and by a transfer means (27, see FIGS. 2 and 3). This means moves the treated basket and brings a new basket to be treated. .
• the cycle continues with the rotation of a step of the barrel that allows each room to pass to the new station and the exchange of baskets at the loading / unloading station.
• the machine according to the invention can be used in all types of industry and to treat all types of products.
• the number of chambers of the barrel and the number of positions can be varied compared to the examples indicated in the present application.

Priority Applications (1)

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• 2010
  • 2010-03-31 EP EP10726213A patent/EP2414112A2/de not_active Withdrawn
  • 2010-03-31 US US13/262,470 patent/US20120031437A1/en not_active Abandoned
  • 2010-03-31 BR BRPI1009991A patent/BRPI1009991A2/pt not_active Application Discontinuation
  • 2010-03-31 WO PCT/IB2010/051408 patent/WO2010113126A2/fr active Application Filing

Non-Patent Citations (2)

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