Arrangement for cleaning mechanical devices, small parts and/or electronic switching units

A system for cleaning mechanical and/or electrical equipment or devices with cleaning liquids, comprising:

• an enclosed uppermost cleaning compartment having a closeable front loading opening, back, top, bottom, and right and left sides;
• at least one riser pipe vertically mounted within said cleaning compartment, said riser pipe including a bottom end for receiving cleaning liquid, a top end, an elongated main stem between said top and bottom ends, and a plurality of spaced holes through said main stem between the top and bottom ends thereof;
• a first spray nozzle attached to the top end of said riser pipe;
• a plurality of second nozzles inserted in said holes along said main stem, respectively;
• a turntable mounted in said cleaning compartment, juxtaposed to said one riser pipe, said turntable being for carrying workpieces to be cleaned;
• drive means connected to said turntable, for rotating said turntable at a selected speed;
• a source of cleaning fluid;
• pump means connected between said source of cleaning fluid and the bottom end of said riser pipe, for pumping cleaning fluid to said riser pipe, for spraying out of said first and second nozzles, for wetting workpieces rotating on said turntable;
• recirculating means for collecting, filtering, and returning filtered cleaning fluid from said cleaning chamber to said source of cleaning fluid;
• an enclosed collecting chamber located immediately below said cleaning chamber;
• an enclosed equalizing compartment located below said collecting chamber;
• a frame including five 6 to 12 mm mesh filter mats knitted from 0.3 to 0.6 mm thick metal wire located between said collecting chamber and said equalizing compartment, said filter mats being arranged to lie successively on top of one another;
• an extraction hose connected from said cleaning compartment into said equalizing compartment;
• fan means connected in an air path provided by said extraction hose, for drawing waste air from said cleaning compartment, through said extraction hose, and into said equalizing compartment, whereby the air is forced via pressure from said fan means, to flow through said five mesh filter mats for filtering, and into said collecting chamber under pressure;
• and
• aeration pipe means connected from said collecting chamber into said cleaning compartment, for supplying air under pressure from said collecting chamber into said cleaning compartment for drying workpieces cleaned therein.