EP3165286B1 - Method and device for de-oiling and/or cleaning mass-produced parts - Google Patents
Method and device for de-oiling and/or cleaning mass-produced parts Download PDFInfo
- Publication number
- EP3165286B1 EP3165286B1 EP16195454.0A EP16195454A EP3165286B1 EP 3165286 B1 EP3165286 B1 EP 3165286B1 EP 16195454 A EP16195454 A EP 16195454A EP 3165286 B1 EP3165286 B1 EP 3165286B1
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- Prior art keywords
- centrifuge
- parts
- mass production
- oiling
- bearer frame
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- 238000004140 cleaning Methods 0.000 title claims description 26
- 238000005406 washing Methods 0.000 claims description 28
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- 238000001035 drying Methods 0.000 claims description 15
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- 229910000831 Steel Inorganic materials 0.000 claims description 6
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- 238000011049 filling Methods 0.000 claims description 4
- 238000009987 spinning Methods 0.000 claims description 3
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- 239000007788 liquid Substances 0.000 description 15
- 239000002184 metal Substances 0.000 description 7
- 238000000137 annealing Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000005238 degreasing Methods 0.000 description 5
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/10—Centrifuges combined with other apparatus, e.g. electrostatic separators; Sets or systems of several centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/04—Periodical feeding or discharging; Control arrangements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/12—Other accessories for centrifuges for drying or washing the separated solid particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
Definitions
- the invention relates to a method for deoiling and / or cleaning of mass parts, preferably machine components, in particular of metal, in particular screws, bolts, nuts, Kaltfierpressmaschine, steel sheet metal stampings, bent parts or the like, in which the mass parts are introduced in a first step in a centrifuge and in The centrifuge are de-oiled, and then washed in one or more steps, and rinsed in a subsequent or subsequent steps and dried.
- the invention relates to a device for Entölung and / or cleaning of mass parts, preferably machine components, in particular of metal, in particular screws, bolts, nuts, Kaltf facilitatorpressmaschine, Stahlblechstanzmaschine, bent parts or the like, with a motor-driven centrifuge for receiving the mass parts and a support frame in which the centrifuge is rotatably mounted, wherein mass parts are treated in the centrifuge in several steps.
- centrifuges that serve both the de-oiling and the cleaning of such mass parts. It is provided that the mass parts are de-oiled in a centrifuge in a first step.
- the de-oiling is based here on the principle of centrifugal force, that is to say that the oil components adhering to the mass parts are centrifugally discharged from the centrifuge due to the high rotational speed of the centrifuges, which for this purpose has a centrifuge casing with a multiplicity of openings through which the oil particles escape from the centrifuge Centrifuge can escape. The thus ejected oil particles are then deposited on a wall of a bell surrounding the centrifuge, from where the oil particles are collected and removed.
- the mass parts After the mass parts have been de-oiled, the mass parts are fed into another centrifuge, in which the mass parts are cleaned. For this purpose, a washing of the mass parts is provided with a washing fluid, which is also separated at the end of the washing process by centrifugal forces from the mass parts. Once the mass parts have reached a predetermined degree of drying, the mass parts are rinsed in another centrifuge, that is freed from still adhering washing fluid. Again, centrifugal forces are used to remove the flushing fluid with the captured particles of the washing fluid before the mass parts are then subjected to a drying process, with hot air generally being introduced for this drying process.
- This device consists of a rotatable about a vertical axis and drivable drum with perforated drum wall.
- This drum thus represents the above-described centrifuge.
- the drum has a loading opening provided above and a bottom-mounted, closable by an axially movable bottom closure discharge, a stationary, surrounding the drum and under an outer ring trough with outlet nozzle outer ring channel, one between outer ring channel and drum arranged, by means of an adjusting means axially adjustable and having an inner ring trough having inner ring channel and feeds for treatment agent in the drum.
- the inner ring channel is made adjustable from the initial position releasing the drum hole into a middle position covering the drum hole and a sealing position sealing the drum.
- These previously known Device thus allows degreasing and subsequent treatment with complete degreasing of mass parts.
- a sealed container is created from the inner ring channel and the drum, in which the mass parts can be flooded.
- the mass parts can be flooded.
- the respective liquid for example a degreasing liquid.
- This process corresponds to a soaking, which greatly facilitates the subsequent release of the oil layer from the upstream deformation process.
- the previous process parts such as the oil spinner, the spraying with degreasing or other treatment agents and periodic spinning and drying can be performed as needed.
- a plant for treating mass contained in transport baskets in liquids known.
- This system has a tank that contains liquid and in which the transport baskets dive.
- at least one trolley for the transport baskets with which they are movable over the at least one basin.
- At least one basket carrier is provided, which is arranged adjustable in height on the trolley and grab a transport basket, dip into the basin and can lift out of the basin, and can drive rotating about the axis of the transport basket.
- bracing means are provided for bracing the basket carrier with respect to stationary parts near the at least one basin, which can be brought into action at least in a Abschleuderposition the transport basket in the basin above the liquid level.
- the invention has the object , a method and a device of the generic type such that the mass parts are treated gently and effectively, with a complete de-oiling and / or cleaning of the mass parts is provided which continuously and in short time with low footprint is possible.
- the solution to this problem looks at a method according to the invention that the treatment steps of the de-oiling and the cleaning of the mass parts are carried out with a centrifuge, which is moved in a frame between a plurality of positions arranged substantially in a horizontal plane, wherein in the first position, the mass parts de-oiled (if necessary, chemically treated) and washed and spun in the following positions and then rinsed and spun and also dried preferably.
- the mass parts are filled only once in the centrifuge, so that a transfer from one basket to another or from one centrifuge to another is not required. Furthermore, the treatment steps can be carried out separately but always in the same centrifuge, since this allows both the de-oiling and the cleaning of the mass parts. The mass parts once added for deoiling in the first station remain in the same centrifuge until final cleaning and drying. As a result, damage to the mass parts are avoided by decanting.
- the inventive method and - as will be described below - through the inventive device Umyogllvortician be avoided, so that a wide range of applications not only in the de-oiling and cleaning of mass parts directly after their production process by a press or roller, but also in the annealing process in the De-oiling of hardened material is possible.
- the inventive method and thus the device according to the invention is particularly suitable because with the method according to the invention and thus also with the device according to the invention a very far-reaching Entölungs- and degree of purification can be achieved.
- the mass parts are entered into the centrifuge. This can be done by pouring. Subsequently, the centrifuge is rotated about its longitudinal axis at high speed, so that adhering oil particles are separated from the mass parts and discharged through the perforated outer wall of the centrifuge.
- an oil release agent can be used in addition, which is inserted into the centrifuge to dissolve the oil components.
- the centrifuge is moved from the first position to a second position within the support frame. In this second position, the centrifuge contains the de-oiled mass parts. In this second position, a washing fluid is then introduced into the centrifuge, with which the mass parts are washed. This process can be performed with a reduced number of revolutions of the centrifuge compared to the first step. It is also possible that the centrifuge is switched alternately in opposite directions of movement, or that the centrifuge is slightly tilted about a horizontal axis, so that a movement of the mass parts with each other is possible. As a result, areas are cleaned, which are not accessible by contact between the mass parts with constantly arranged in the same orientation mass parts.
- the washing fluid can also be discharged via centrifugal forces from the centrifuge.
- the mass parts reach a certain degree of dryness.
- the centrifuge is then again moved in the support frame in a third position.
- the centrifuge is subjected to a flushing fluid which rinses off any adhering constituents of the washing fluid.
- the flushing fluid can then be discharged via centrifugal forces.
- the free drainage of the washing or rinsing medium can be closed by a valve disposed in the centrifuge bottom valve for a certain time phase, so that the Zentrifugenein spallgut undergoes a dipping process, while then followed by opening of the valve, a rinsing process ,
- a predominant part of the washing fluid or of the flushing fluid can also be drained off in both positions via a bottom-side valve of the centrifuge. It may also be possible that the rinsing station another Rinsing station must be connected downstream as the fourth station.
- the centrifuge is acted upon in the last position with hot air.
- the hot air is introduced via the feed opening of the centrifuge, which is optionally sealed by a cover device.
- the mass parts are then dried to a desired drying stage before the mass parts are subsequently discharged from the centrifuge in the third position.
- This can be done for example via a chute, which is arranged below the centrifuge in the support frame.
- the mass parts can then be forwarded to further processing, such as a tempering furnace.
- a tempering furnace usually conveyors, such as conveyor belts or the like are provided.
- the arrangement of the centrifuge in a support frame with three or more positions also has the advantage that a complete method can be performed with a device that has only a small footprint.
- a further improvement of the method according to the invention is achieved by carrying out the treatment steps with three or more centrifuges simultaneously, wherein each centrifuge is moved to a subsequent position after completion of a step to carry out the subsequent step, so that the movement of the centrifuges between the positions takes place simultaneously.
- the performance of a corresponding device can be significantly increased by this process step.
- the support frame anatomical three or more positions in a horizontal plane, in which the centrifuge for performing a respective treatment step of the mass parts is movable.
- the movement takes place in a horizontal plane, so that lifting and / or lowering movements of the centrifuge are not required. This leads to, that the design effort for the arrangement of the centrifuge in the support frame is significantly reduced.
- a plurality of centrifuges are arranged, which are simultaneously movable between the positions via a common drive, in particular pivot drive.
- the positions are located on a circular path around each same angle, in particular 120 ° offset from each other.
- a plurality of approach positions are provided in the support frame, if, for example, the cooling and drying process is to be carried out separately from one another.
- control technology different treatment times can be set in the individual positions.
- the de-oiling step take a longer period of time than the subsequent cleaning steps, without the subsequent cleaning steps due to the longer de-oiling step must be stopped.
- Such a configuration has the advantage that sufficient stability of the support frame can be achieved and at the same time the footprint of such a support frame can be chosen as low as possible. But it is also possible to form the support frame in cross-section rectangular.
- the support frame has a position in which the centrifuge is pivoted about a horizontal axis. As a rule, this is the last position in which it is finally necessary to empty the mass parts from the centrifuge. This is done in this embodiment by pivoting the centrifuge about a horizontal axis, so that the mass parts are transferred via the filling opening on a chute or chute, from where the mass parts are supplied to the further processing process. each the built-in centrifuge is pivotable for total emptying.
- the rotational speed of the centrifuge (s) is controllable in dependence on their position (s) in the support frame or are.
- known electric motors with a corresponding control can be provided.
- asynchronous motors have proven to be suitable. Due to the different rotational speeds of the centrifuge, it is possible to drive them in the individual positions with different rotational speed in order to set a high deoiling or a high washing intensity at low rotational speed and thus low energy consumption.
- the support frame has a rotatably mounted in the support frame central column, which has a support arm for each centrifuge, in particular, these support arms are provided in a star shape on the support bracket.
- the central column is rotatably mounted in the support frame.
- an electric motor drive is provided for the rotation of the central column in the support frame.
- the central column preferably has one support arm per centrifuge. If only one centrifuge is provided, corresponding counterweights are provided which ensure concentricity. In general, however, all centrifuges are placed on support arms, so that the support arms are arranged in a star shape. At the free ends of the support arms, the centrifuges are provided, each having its own drive, so that the centrifuges are driven in the individual positions with different rotational speeds and / or directions of rotation.
- Each centrifuge is preferably part of a centrifuge unit, which has an outer housing with a wall and a bottom deviating from the horizontal and a drive for the arranged in the outer housing centrifuge.
- the outer housing with the bottom in this case also forms a catch basin for emerging from the centrifuge fluid with or without ⁇ lanhaftept. Due to the deviating from the horizontal bottom of this fluid is directed to a designated location to which, for example, a drain line is connected, which serves for the removal of the fluid.
- the fluid can then be supplied to a cleaning device and / or a collecting container, which is emptied or replaced regularly.
- the centrifuge is rotatably disposed relative to the outer casing.
- the drive motor is provided, which is arranged for example outside of the outer housing so as to be easily accessible for maintenance.
- the support frame in the region of the position for deoiling the mass parts has an intermediate bell, which surrounds the centrifuge during the de-oiling step and in particular in a gap space between the centrifuge and the wall of the outer housing is retractable.
- the intermediate bell serves to collect the oil emerging from the centrifuge and to divert it as intended, so that the oil is used for further use.
- the bell also serves, of course, not to deliver the oil uncontrolled, so that thereby contamination of the device and / or the environment is caused.
- the support frame is completely housed, wherein the housing preferably consists of a plurality of plate members releasably secured to the support frame, so that the device is accessible after removing one or more plate elements at the designated locations.
- FIGS. 1 to 4 a device for de-oiling and cleaning of mass parts is shown.
- the term “mass parts” is in particular machine components, such as screws, bolts, nuts, Kaltf facilitatorpressmaschine, steel sheet metal stampings, bent parts or the like subsumed.
- the device according to the FIGS. 1 to 4 consists of a support frame 1, which is formed octagonally in cross section.
- the support frame 1 has a bottom plate 2, are fixed to the vertically oriented stand 3.
- the support frame 1 In the area above the bottom plate 2, the support frame 1 has horizontally oriented support 5, which according to the bottom plate 2, the octagonal cross-sectional shape of the support frame 1 take up.
- crossbeams 7 are provided, which in the head area, the ends of the stand Connect 3 and are aligned at right angles to two parallel beams 6.
- crossbeams 7 are arranged in the lower, located in the vicinity of the bottom plate 2 area in the same way.
- two further transverse members 7 are provided in the support frame 1, which are located above the arranged in the vicinity of the bottom plate 2 crossbeams 7 and determine a horizontal plane on which the arrangement to be described below of three centrifuge units 8 are arranged.
- the centrifuge units 8 are arranged on support arms 9 of a rotatably mounted in the support frame 1 central column 10, wherein the support arms 9 are aligned in a star shape.
- the centrifuge units 8 can be moved relative to the support frame 1 in different positions each for performing a process step for de-oiling and cleaning of mass parts.
- the centrifuge units 8 will be described below with respect to the FIGS. 5 to 8 described in detail.
- FIGS. 1 to 4 especially the FIGS. 1 to 3 is supplementary to recognize that in the support frame 1 on the bottom plate 2 containers 11 are placed, which serve to absorb oil, washing liquid and / or Spülliquid, as far as this is discharged in the course of the process to be performed from the centrifuge units 8.
- the support frame 1 has a chute 12, which serves the discharge of de-oiled and cleaned mass parts.
- the already mentioned above central column 10, which is rotatably arranged in the support frame 1, has a drive 13.
- This drive 13 serves to move the central column 10 relative to the support frame 1, wherein the three centrifuge units 8 by the rotational movement of the central column 10 between the three in Fig. 1 to 4 Positions shown A, B and C are moved.
- a de-oiling of the mass parts is carried out in a position A.
- the centrifuge unit 8 is moved from the position B to the position C, in which the mass parts are rinsed, so that residual constituents of the wash liquor are removed.
- the mass parts are then dried by hot air. All processes will be described below.
- a centrifuge unit 8 is shown.
- the centrifuge unit 8 has a centrifuge 14 and an outer housing 15 with a wall 16 and a bottom deviating from the horizontal 17, which has a drain opening with outlet connection 19 in the region of its lowest point 18.
- the liquid can drain into a collecting channel 20 with a discharge nozzle.
- the pipeline 20 is connected to a container 11.
- the centrifuge unit 8 has a frame 21 which, among other things, also carries a drive motor 22.
- the centrifuge 14 is rotatably mounted relative to the outer housing 15 and is driven by a drive motor 22.
- Each centrifuge 14 has a roller bearing mounted vertical shaft 23, which has at its upper, the centrifuge 14 end facing a flange 24 which is connected to the centrifuge drum of the centrifuge 14.
- the centrifuge 14 is formed perforated in its outer periphery, so that liquids are centrifuged out of the centrifuge 14 outwardly into the outer housing under high centrifugal force.
- the drive of the centrifuge 14 via the vertical shaft 23, which is driven at the lower end via a V-belt drive 25 with the drive motor 22 designed as centrifuge rotary drive.
- the centrifuge 14 has a slightly conical bottom 26, so that during operation of the centrifuge 14, the mass parts to be centrifuged are thrown upwards against the perforated wall of the centrifuge 14.
- the centrifuge 14 is further mounted pivotably about a horizontal axis by means of a direct drive, for example a slip-on geared motor.
- This direct drive has a DC brake, so that the centrifuge 14 remains securely fixed both in the vertical orientation and after pivoting.
- the pivoting of the centrifuge 14 about the horizontal axis serves to empty the centrifuge 14 to be centrifuged in the centrifuge 14 after completion of the de-oiling or cleaning from the centrifuge 14 and to pass the chute 12, from where the mass parts can be supplied for further processing.
- Each of the centrifuges 14 has an already described frame 21, on which the fixed outer housing 15 is pivotally mounted about two horizontally arranged pivot pin. To such a horizontal axis, formed by the two pivot pins, each centrifuge 14 is pivotally mounted in the frame 21 and can be pivoted by the motor described above.
- the frame 21 is mounted on vibration metal buffer on the star-shaped arm 9 vibration isolation.
- the previously described bottom 17, which forms the outer housing 15 together with the wall 16 is arranged to extend obliquely to the horizontal, so that centrifuged liquids are discharged via this bottom 17 to the drain opening 19.
- the position A has an in Fig. 6 shown intermediate bell 27, which is formed as a pipe section.
- the intermediate bell 27 is adjustable in its height relative to the centrifuge 14 in the position A and has for this purpose a linear drive 28, for example a hydraulic or pneumatic cylinder, which is arranged in a bridge-like carrier 29.
- the carrier 29 is connected to the support frame 1.
- the mass parts are introduced into the centrifuge 14 via an opening 30.
- the intermediate bell 27 is lowered via the linear drive 28 into a gap 31 between the wall 16 and the centrifuge 14.
- the centrifuge 14 is rotated at a high number of revolutions, so that due to the centrifugal forces, the oil adhering to the mass parts is thrown off and discharged via the perforated wall of the centrifuge 14.
- This oil is deposited on the inner wall of the intermediate bell 27 and runs on the inner wall in the direction of gravity downwards from.
- the intermediate bell 27 has a circumferential, not shown collecting channel, which is similar to a gutter. In this collecting channel, the spun-off oil is collected and stored temporarily.
- the collecting trough has a drain which is passed through a plug valve during the Operation of the centrifuge 14 is closed.
- the intermediate bell 27 After completion of de-oiling, therefore upon completion of the rotational movement of the centrifuge 14, the intermediate bell 27 is moved out of the gap 31 via the linear drive 28. Thereafter, the plug valve is opened automatically, so that the collected and located in the collecting channel oil flows through a drain not shown in a funnel nozzle, which has a central connection to an oil return down.
- This funnel neck is pivoted pneumatically by a pneumatic cylinder when the intermediate bell 27 is disposed above the centrifuge 14.
- the oil discharged via the collecting funnel can be supplied, for example, to a container 11, in which the oil is stored for further use.
- the corresponding container 11 can therefore be arranged interchangeable in the support frame 1.
- Fig. 7 shows a centrifuge unit 8 with a lid 32, as it is part of the support frame 1 in the position B.
- the lid 32 is arranged on a linear drive 33 in the axial direction of the centrifuge 14 and lowered, so that the lid 32 in the lowered position with the wall 16 of the outer housing 15 closes and does not restrict the rotational movement of the centrifuge 14.
- the lid 32 is dome-shaped and has on its outer circumferential surface in the region of the outer housing 15 facing the end of a circumferential seal 34 which rests sealingly on the end face of the wall 16 when the lid 32 is mounted. Furthermore, the lid 32 has a plurality of flat jet nozzles 35, via which, for example, washing liquor or rinsing water is introduced into the centrifuge 14 in the desired or required quantity when the lid 32 is attached and sealed. Via the flat jet nozzles 35, the wash liquor or the rinse water can be introduced at high pressure and at an effective spray angle such that the desired cleaning or rinsing effect is established.
- the flat jet nozzles 35 are connected, for example, to a compressed air membrane pump not shown in detail, which is connected in a pipeline which connects a storage tank with the flat jet nozzles 35.
- the lid 32 according to Fig. 7 is arranged in the support frame 1 in the region of the position B, so that the lid 32 cooperates with the centrifuge 14 and the centrifuge unit 8, which is in position B.
- a provided in the position C lid 32 is in Fig. 8 shown in lowered position.
- this lid 32 corresponds to the lid 32 in accordance Fig. 7 , so that here also a circumferential seal 34 is provided on the outer circumferential surface of the lid 32 for sealing against the outer housing 15, namely the end face of the wall 16.
- the lid 32 in the position C has in addition to the flat jet nozzles 35 complementary to an access line 36 which is connected to a hot air blower 37, so that via the access line 36 hot air into the interior of the outer housing 15 and thus into the centrifuge 14 for drying the mass products is initiated.
- the exhaust air can escape via an exhaust pipe 38.
- the device described above has a control device which allows pre-programming of the individual treatment cycles in the positions A to C. In this case, cycle times, centrifuge speed and / or centrifuge direction of rotation are controlled as a function of the mass-produced articles to be de-oiled and cleaned.
- the feeding of this device is carried out by a feed conveyor in the form of a Stahl-hinged material conveyor, which receives the Constellute mass products for a Entölungsectivmaschine cleaning cycle.
- the feed takes place in the position A.
- the de-oiling takes place in the position A in the centrifuge 14 located there.
- the supply conveyor may be necessary for the supply conveyor to move pneumatically until it reaches the center region of the centrifuge 14.
- the supply conveyor moves back to its original position, so that subsequently the intermediate bell 27 can be retracted from above into the intermediate space between centrifuge 14 and outer housing 15. Thereafter, the Abschleud réelle the oil in the position A.
- the intermediate bell 27 is lifted out of the gap 31 again, so that in a next step, the central column 10 is rotated in the support frame 1 by 120 °.
- the centrifuge 14, which was previously arranged in position A and now contains deoiled mass parts, reaches position B. In this position B, the centrifuge 14 is covered by the lid 32 and a high-pressure wash liquid is injected via the flat-jet nozzles 35, so that residual pressure is released via the high pressure. Contaminants are solved on the bulk items.
- the centrifuge 14 can be operated at a low rotational speed.
- the direction of rotation during this process can be changed several times, so that a large number of mass-produced articles are supplied with the appropriate jet of washing liquor. Furthermore, a slight inclination of the centrifuge by means of the pivot drive is possible to cause during the washing process, an additional circulation of mass-produced articles.
- the centrifuge 14 is moved again in the vertical position with a high rotational speed, so that the washing liquid and possibly also dissolved contaminant particles are discharged via the outer circumferential surface of the centrifuge 14.
- the lid 32 is raised, so that the central column 10 can be rotated in turn by 120 ° within the support frame 1 and the centrifuge 14 reaches the position C in the support frame 1 with the now washed mass parts.
- the lid 32 according to Fig. 8 lowered to the outer housing 15.
- the hot air blower 37 is turned on and over Access line 36 hot air are flowed into the rotating at low speed centrifuge 14 for drying the mass products.
- the exhaust air leaves the centrifuge or the outer housing 15 via the exhaust pipe 38.
- the lid 32 After completion of the drying of the mass-produced by hot air, the lid 32 according to Fig. 8 raised.
- the centrifuge 14 is now tilted about the horizontal axis by means of the swivel gear motor, so that the mass products completely, without remaining residual parts on the chute 12, from where they are supplied, for example, a conveyor belt, which supplies the mass products for further processing.
- the invention described above relates to a method for de-oiling and / or cleaning of mass parts, preferably machine components, such as screws, bolts, nuts, cold nonwoven pressed parts, sheet steel stampings, bent parts or the like.
- mass parts preferably machine components, such as screws, bolts, nuts, cold nonwoven pressed parts, sheet steel stampings, bent parts or the like.
- the mass parts are introduced in a first step in a centrifuge and in this Centrifuge without refilling or reloading in several steps de-oiled, washed, rinsed and dried. It is provided that the treatment steps are carried out in one and the same centrifuge without refilling, which centrifuge is arranged on a support frame, which passes through the various treatment processes in succession substantially in a horizontal plane.
- the centrifuge After completion of each step, the centrifuge is preferably moved on a circular path, at fixed pivoting angles of, for example, 180 °, 120 °, 90 °, 72 °, 60 ° or the like, in each case to a subsequent position for carrying out the subsequent step. In the first position, the centrifuge is filled with the mass parts and in the last position, the centrifuge is emptied.
- the clocking steps can be carried out simultaneously with several centrifuges, with each centrifuge, after completing a step, being moved to a subsequent position for carrying out the subsequent step, so that the movement of the centrifuges between the positions takes place simultaneously.
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Description
Die Erfindung betrifft ein Verfahren zur Entölung und/oder Reinigung von Massenteilen, vorzugsweise Maschinenbauteilen, insbesondere aus Metall, insbesondere Schrauben, Bolzen, Muttern, Kaltfließpressteile, Stahlblechstanzteile, Biegeteile oder dergleichen, bei dem die Massenteile in einem ersten Schritt in eine Zentrifuge eingebracht und in der Zentrifuge entölt werden, und anschließend in einem oder mehreren Schritten gewaschen, und in einem nachfolgenden oder mehreren nachfolgenden Schritten gespült und getrocknet werden. Desweiteren betrifft die Erfindung eine Vorrichtung zur Entölung und/oder Reinigung von Massenteilen, vorzugsweise Maschinenbauteilen, insbesondere aus Metall, wie insbesondere Schrauben, Bolzen, Muttern, Kaltfließpressteile, Stahlblechstanzteile, Biegeteile oder dergleichen, mit einem motorisch angetriebenen Zentrifuge zur Aufnahme der Massenteile und einem Traggestell, in dem die Zentrifuge drehbar gelagert ist, wobei Massenteile in der Zentrifuge in mehreren Schritten behandelt werden.The invention relates to a method for deoiling and / or cleaning of mass parts, preferably machine components, in particular of metal, in particular screws, bolts, nuts, Kaltfließpressteile, steel sheet metal stampings, bent parts or the like, in which the mass parts are introduced in a first step in a centrifuge and in The centrifuge are de-oiled, and then washed in one or more steps, and rinsed in a subsequent or subsequent steps and dried. Furthermore, the invention relates to a device for Entölung and / or cleaning of mass parts, preferably machine components, in particular of metal, in particular screws, bolts, nuts, Kaltfließpressteile, Stahlblechstanzteile, bent parts or the like, with a motor-driven centrifuge for receiving the mass parts and a support frame in which the centrifuge is rotatably mounted, wherein mass parts are treated in the centrifuge in several steps.
Aus dem Stand der Technik ist es bekannt, dass in Entölungs- und Reinigungsanlagen Massenteile, wie beispielsweise Schrauben, Bolzen, Kaltfließpressteile, Stahlblechstanz- und Biegeartikel sowie kleinformatiges Härtegut im Vergütungsprozess gereinigt werden müssen. Bei der Herstellung derartiger Massenteile werden diese in der Regel mit Öl verunreinigt. In Härtungsprozessen werden Metallteile in Öl abgeschreckt und damit mit Öl in Kontakt gebracht, welches anschließend an den Metallteilen anhaftet. Bevor nun beispielsweise bei derartigen Härteprozessen die Teile angelassen werden ist es erforderlich, dass die Ölanhaftungen möglichst vollständig entfernt werden, um eine Verbrennung des Öls im Anlassofen bei hohen Temperaturen zu verhindern.From the prior art, it is known that in de-oiling and cleaning systems, mass parts, such as screws, bolts, cold extruded parts, sheet steel stamping and bending articles and small-sized hardened material must be cleaned in the tempering process. In the production of such mass parts, these are usually contaminated with oil. In hardening processes, metal parts in oil are quenched and thus brought into contact with oil, which subsequently adheres to the metal parts. Before now, for example, in such hardening processes, the parts are tempered, it is necessary that the oil deposits are removed as completely as possible in order to prevent combustion of the oil in the annealing furnace at high temperatures.
Bekannt sind im Stand der Technik Zentrifugen, die sowohl der Entölung als auch der Reinigung derartiger Massenteile dienen. Hierbei ist es vorgesehen, dass die Massenteile in einer Zentrifuge in einem ersten Schritt entölt werden. Die Entölung basiert hierbei auf dem Fliehkraftprinzip, das heißt, dass die an den Massenteilen anhaftenden Ölbestandteile durch die hohe Umdrehungsgeschwindigkeit der Zentrifugen zentrifugal aus der Zentrifuge ausgeleitet werden, die zu diesem Zweck einen Zentrifugenmantel mit einer Vielzahl von Öffnungen aufweist, durch welche die Ölpartikel aus der Zentrifuge austreten können. Die derart ausgeschleuderten Ölpartikel werden dann an einer Wandung einer die Zentrifuge umgebenden Glocke niedergeschlagen, von wo aus die Ölpartikel gesammelt und abgeführt werden.Are known in the art centrifuges that serve both the de-oiling and the cleaning of such mass parts. It is provided that the mass parts are de-oiled in a centrifuge in a first step. The de-oiling is based here on the principle of centrifugal force, that is to say that the oil components adhering to the mass parts are centrifugally discharged from the centrifuge due to the high rotational speed of the centrifuges, which for this purpose has a centrifuge casing with a multiplicity of openings through which the oil particles escape from the centrifuge Centrifuge can escape. The thus ejected oil particles are then deposited on a wall of a bell surrounding the centrifuge, from where the oil particles are collected and removed.
Nachdem die Massenteile entölt sind, werden die Massenteile in eine weitere Zentrifuge eingegeben, in der die Massenteile gereinigt werden. Hierzu ist ein Waschen der Massenteile mit einem Waschfluid vorgesehen, welches ebenfalls am Ende des Waschvorgangs durch Zentrifugalkräfte von den Massenteilen abgetrennt wird. Sobald die Massenteile einen vorbestimmten Trocknungsgrad erreicht haben, werden die Massenteile in einer weiteren Zentrifuge gespült, das heißt von noch anhaftendem Waschfluid befreit. Auch hier wird über Zentrifugalkräfte das Spülfluid mit den aufgenommenen Partikeln des Waschfluids entfernt, bevor die Massenteile sodann einem Trocknungsprozess unterzogen werden, wobei in der Regel Heißluft für diesen Trocknungsprozess eingeleitet wird.After the mass parts have been de-oiled, the mass parts are fed into another centrifuge, in which the mass parts are cleaned. For this purpose, a washing of the mass parts is provided with a washing fluid, which is also separated at the end of the washing process by centrifugal forces from the mass parts. Once the mass parts have reached a predetermined degree of drying, the mass parts are rinsed in another centrifuge, that is freed from still adhering washing fluid. Again, centrifugal forces are used to remove the flushing fluid with the captured particles of the washing fluid before the mass parts are then subjected to a drying process, with hot air generally being introduced for this drying process.
Aus der
Nachteil dieser vorbekannten Vorrichtung ist jedoch, dass ein sehr großer Aufwand hinsichtlich der Abdichtung der Absorptionselemente erforderlich ist. Desweiteren bedarf es einer sehr großen Aufstellfläche, um eine Vorrichtung der voranstehend beschriebenen Art für großformatige Massenteile aufzustellen, wobei eine solche Vorrichtung dann in der Regel nicht für kleinformatige Massenteile geeignet ist.Disadvantage of this known device, however, is that a very great effort in terms of sealing the absorption elements is required. Furthermore, it requires a very large footprint to set up a device of the type described above for large-sized mass parts, such a device is then usually not suitable for small-sized mass parts.
Desweiteren ist aus der
Aus der
Aus der
Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung der gattungsgemäßen Art derart weiterzubilden, dass die Massenteile schonend und effektiv behandelt werden, wobei eine vollständige Entölung und/oder Reinigung der Massenteile vorgesehen ist, die kontinuierlich und in kurzer Zeit bei geringem Aufstellflächenbedarf möglich ist.Based on this prior art, the invention has the object , a method and a device of the generic type such that the mass parts are treated gently and effectively, with a complete de-oiling and / or cleaning of the mass parts is provided which continuously and in short time with low footprint is possible.
Die Lösung dieser Aufgabenstellung sieht bei einem erfindungsgemäßen Verfahren vor, dass die Behandlungsschritte der Entölung sowie der Reinigung der Massenteile mit einer Zentrifuge durchgeführt werden, die in einem Gestell zwischen mehreren, im Wesentlichen in horizontaler Ebene angeordneten Positionen verfahren wird, wobei in der ersten Position die Massenteile entölt (ggfls. chemisch behandelt) und in den nachfolgenden Positionen gewaschen und geschleudert sowie anschließend gespült und geschleudert und auch vorzugsweise getrocknet werden.The solution to this problem looks at a method according to the invention that the treatment steps of the de-oiling and the cleaning of the mass parts are carried out with a centrifuge, which is moved in a frame between a plurality of positions arranged substantially in a horizontal plane, wherein in the first position, the mass parts de-oiled (if necessary, chemically treated) and washed and spun in the following positions and then rinsed and spun and also dried preferably.
Hierbei ist vorgesehen, dass die Massenteile nur einmal in die Zentrifuge eingefüllt werden, so dass ein Umfüllen von einem Korb in einen anderen oder von einer Zentrifuge in eine andere nicht erforderlich ist. Desweiteren können die Behandlungsschritte getrennt voneinander aber immer in der gleichen Zentrifuge durchgeführt werden, da diese sowohl das Entölen als auch das Reinigen der Massenteile ermöglicht. Die zur Entölung in der ersten Station einmal eingegebenen Massenteile bleiben bis zur Endreinigung und Trocknung in der gleichen Zentrifuge. Dadurch werden Beschädigungen an den Massenteilen durch Umfüllen vermieden.It is provided that the mass parts are filled only once in the centrifuge, so that a transfer from one basket to another or from one centrifuge to another is not required. Furthermore, the treatment steps can be carried out separately but always in the same centrifuge, since this allows both the de-oiling and the cleaning of the mass parts. The mass parts once added for deoiling in the first station remain in the same centrifuge until final cleaning and drying. As a result, damage to the mass parts are avoided by decanting.
Durch das erfindungsgemäße Verfahren und - wie nachfolgend beschrieben wird - durch die erfindungsgemäße Vorrichtung werden Umfüllvorgänge vermieden, so dass sich ein großer Anwendungsbereich nicht nur in der Entölung und Reinigung von Massenteilen direkt nach deren Herstellungsverfahren durch eine Presse oder Walze, sondern auch im Vergütungsprozess bei der Entölung von Härtegut möglich ist. Insbesondere für die Wärmebehandlung im Anlassofen ist das erfindungsgemäße Verfahren und damit die erfindungsgemäße Vorrichtung in besonderem Maße geeignet, da mit dem erfindungsgemäßen Verfahren und damit auch mit der erfindungsgemäßen Vorrichtung ein sehr weitreichender Entölungs- und Reinigungsgrad erzielbar ist. Für die Wärmebehandlung im Anlassofen ist es nämlich zwingend notwendig, dass die anhaftenden Ölanteile an den Massengütern (Härtegut) unbedingt entfernt sein müssen, um einer Ruß- und Qualmbildung im Anlassofen vorzubeugen. Da ein Anlassofen beim Einsatz der erfindungsgemäßen Vorrichtung nicht nur entöltes, sondern auch gewaschenes beziehungsweise gereinigtes Massengut als Aufgabegut erhält, ergibt sich für einen Anlassofen ein sichererer Betrieb, da der Verschmutzungseffekt für den Anlassofens vermieden oder zumindest wesentlich vermindert wird und zudem eine Beeinträchtigung des Härtegutes durch Öl- und Schmutzanteil beim nachfolgenden Glühvorgang verhindert wird.By the inventive method and - as will be described below - through the inventive device Umfüllvorgänge be avoided, so that a wide range of applications not only in the de-oiling and cleaning of mass parts directly after their production process by a press or roller, but also in the annealing process in the De-oiling of hardened material is possible. In particular, for the heat treatment in the annealing furnace, the inventive method and thus the device according to the invention is particularly suitable because with the method according to the invention and thus also with the device according to the invention a very far-reaching Entölungs- and degree of purification can be achieved. For the heat treatment in the annealing furnace, it is imperative that the adhering oil components on the bulk goods (hardened material) must be removed to prevent soot and smoke formation in the annealing furnace. Since a tempering furnace when using the device according to the invention not only de-oiled, but also washed or cleaned bulk receives as feed, results in a tempering furnace safer operation, since the pollution effect is avoided for the tempering furnace or at least substantially reduced and also a deterioration of the hardened material Oil and dirt content is prevented during the subsequent annealing process.
Bei dem erfindungsgemäßen Verfahren ist somit vorgesehen, dass in einem ersten Schritt die Massenteile in die Zentrifuge eingegeben werden. Dies kann schüttend erfolgen. Nachfolgend wird die Zentrifuge um ihre Längsachse mit hoher Umdrehungszahl gedreht, so dass anhaftende Ölpartikel sich von den Massenteilen trennen und über die gelochte Außenwand der Zentrifuge abgeführt werden. Hierzu kann ergänzend ein Öltrennmittel verwendet werden, welches in die Zentrifuge zur Lösung der Ölbestandteile eingefügt wird.In the method according to the invention is thus provided that in a first step, the mass parts are entered into the centrifuge. This can be done by pouring. Subsequently, the centrifuge is rotated about its longitudinal axis at high speed, so that adhering oil particles are separated from the mass parts and discharged through the perforated outer wall of the centrifuge. For this purpose, an oil release agent can be used in addition, which is inserted into the centrifuge to dissolve the oil components.
Nachdem der Entölungsvorgang beendet ist, wird die Zentrifuge von der ersten Position in eine zweite Position innerhalb des Traggestells verfahren. In dieser zweiten Position enthält die Zentrifuge die entölten Massenteile. In dieser zweiten Position wird sodann ein Waschfluid in die Zentrifuge eingefüllt, mit welchem die Massenteile gewaschen werden. Dieser Vorgang kann mit einer verringerten Umdrehungszahl der Zentrifuge im Vergleich zum ersten Schritt durchgeführt werden. Auch ist es möglich, dass die Zentrifuge abwechselnd in gegenläufige Bewegungsrichtungen geschaltet wird, oder dass die Zentrifuge um eine Horizontalachse leicht gekippt wird, so dass eine Bewegung der Massenteile untereinander möglich ist. Hierdurch werden Bereiche gereinigt, die bei konstant in gleicher Ausrichtung angeordneten Massenteilen durch Kontakt zwischen den Massenteilen nicht zugänglich sind.After the de-oiling process is completed, the centrifuge is moved from the first position to a second position within the support frame. In this second position, the centrifuge contains the de-oiled mass parts. In this second position, a washing fluid is then introduced into the centrifuge, with which the mass parts are washed. This process can be performed with a reduced number of revolutions of the centrifuge compared to the first step. It is also possible that the centrifuge is switched alternately in opposite directions of movement, or that the centrifuge is slightly tilted about a horizontal axis, so that a movement of the mass parts with each other is possible. As a result, areas are cleaned, which are not accessible by contact between the mass parts with constantly arranged in the same orientation mass parts.
Nach einer beispielsweise zeitlich vorgegebenen Waschphase kann das Waschfluid ebenfalls über Zentrifugalkräfte aus der Zentrifuge ausgetragen werden. Hierbei erreichen die Massenteile einen bestimmten Trocknungsgrad.After a predetermined washing time, for example, the washing fluid can also be discharged via centrifugal forces from the centrifuge. Here, the mass parts reach a certain degree of dryness.
Im Anschluss hieran wird sodann die Zentrifuge wiederum im Traggestell in eine dritte Position verfahren. In dieser dritten Position wird die Zentrifuge mit einem Spülfluid beaufschlagt, welches noch anhaftende Bestandteile des Waschfluids abspült. Auch hier kann dann anschließend über Zentrifugalkräfte das Spülfluid ausgetragen werden. Sowohl in der Wasch- als auch in der Spülposition kann der freie Abfluss des Wasch- oder Spülmediums durch ein im Zentrifugenboden angeordnetes Ventil für eine gewisse Zeitphase geschlossen werden, so dass das Zentrifugeneinfüllgut einen Tauchvorgang durchläuft, während anschließend nach Öffnung des Ventils ein Spülvorgang sich anschließt. Ergänzend kann aber auch in beiden Positionen ein überwiegender Teil des Waschfluids beziehungsweise des Spülfluids über ein bodenseitiges Ventil der Zentrifuge abgelassen werden. Auch kann es möglich sein, dass der Spülstation eine weitere Spülstation als vierte Station nachgeschaltet werden muss.Following this, the centrifuge is then again moved in the support frame in a third position. In this third position, the centrifuge is subjected to a flushing fluid which rinses off any adhering constituents of the washing fluid. Here too, the flushing fluid can then be discharged via centrifugal forces. Both in the washing and in the rinsing position, the free drainage of the washing or rinsing medium can be closed by a valve disposed in the centrifuge bottom valve for a certain time phase, so that the Zentrifugeneinfüllgut undergoes a dipping process, while then followed by opening of the valve, a rinsing process , In addition, however, a predominant part of the washing fluid or of the flushing fluid can also be drained off in both positions via a bottom-side valve of the centrifuge. It may also be possible that the rinsing station another Rinsing station must be connected downstream as the fourth station.
Ergänzend kann nun vorgesehen sein, dass die Zentrifuge in der letzten Position mit Heißluft beaufschlagt wird. Vorzugsweise wird die Heißluft über die Beschickungsöffnung der Zentrifuge eingeleitet, die gegebenenfalls über eine Deckelvorrichtung abgedichtet ist.In addition, it can now be provided that the centrifuge is acted upon in the last position with hot air. Preferably, the hot air is introduced via the feed opening of the centrifuge, which is optionally sealed by a cover device.
Mit der Heißluft werden die Massenteile sodann auf eine gewünschte Trocknungsstufe getrocknet, bevor die Massenteile anschließend aus der Zentrifuge in der dritten Position ausgegeben werden. Dies kann beispielsweise über eine Rutsche erfolgen, die unterhalb der Zentrifuge im Traggestell angeordnet ist. Über die Rutsche oder Schurre können die Massenteile sodann einer Weiterverarbeitung, beispielsweise einem Anlassofen zugeleitet werden. Hierzu sind in der Regel Fördereinrichtungen, wie Förderbänder oder dergleichen vorgesehen.With the hot air, the mass parts are then dried to a desired drying stage before the mass parts are subsequently discharged from the centrifuge in the third position. This can be done for example via a chute, which is arranged below the centrifuge in the support frame. About the chute or chute, the mass parts can then be forwarded to further processing, such as a tempering furnace. For this purpose, usually conveyors, such as conveyor belts or the like are provided.
Die Anordnung der Zentrifuge in einem Traggestell mit drei oder mehreren Positionen hat auch den Vorteil, dass ein vollständiges Verfahren mit einer Vorrichtung durchgeführt werden kann, die nur einen geringen Platzbedarf aufweist.The arrangement of the centrifuge in a support frame with three or more positions also has the advantage that a complete method can be performed with a device that has only a small footprint.
Hierzu ist in einer Weiterbildung des erfindungsgemäßen Verfahrens vorgesehen, dass die Zentrifuge nach Abschluss eines jeden Schritts auf einer Kreisbahn um jeweils einen bestimmten Winkel, insb. 120°° in eine nachfolgende Position zur Durchführung des nachfolgenden Schritts bewegt wird.For this purpose, it is provided in a development of the method according to the invention that the centrifuge after completion of each step on a circular path by a certain angle, esp. 120 °° is moved to a subsequent position for performing the subsequent step.
Eine weitere Verbesserung des erfindungsgemäßen Verfahrens wird dadurch erzielt, dass die Behandlungsschritte mit drei oder mehreren Zentrifugen gleichzeitig durchgeführt werden, wobei jede Zentrifuge nach Beendigung eines Schritts in eine nachfolgende Position zur Durchführung des nachfolgenden Schritts bewegt wird, so dass die Bewegung der Zentrifugen zwischen den Positionen gleichzeitig erfolgt. Die Leistung einer entsprechenden Vorrichtung lässt sich durch diesen Verfahrensschritt deutlich erhöhen.A further improvement of the method according to the invention is achieved by carrying out the treatment steps with three or more centrifuges simultaneously, wherein each centrifuge is moved to a subsequent position after completion of a step to carry out the subsequent step, so that the movement of the centrifuges between the positions takes place simultaneously. The performance of a corresponding device can be significantly increased by this process step.
Seitens der erfindungsgemäßen Vorrichtung ist zur Lösung der Aufgabenstellung vorgesehen, dass das Traggestell drei oder mehrere Positionen in einer Horizontalebene anfährt, in die die Zentrifuge zur Durchführung jeweils eines Behandlungsschrittes der Massenteile bewegbar ist. Hierbei erfolgt die Bewegung in einer Horizontalebene, so dass Hub- und/oder Absenkbewegungen der Zentrifuge nicht erforderlich sind. Dies führt dazu, dass der konstruktive Aufwand für die Anordnung der Zentrifuge im Traggestell deutlich verringert wird.On the part of the device according to the invention is provided for solving the problem that the support frame anfährt three or more positions in a horizontal plane, in which the centrifuge for performing a respective treatment step of the mass parts is movable. Here, the movement takes place in a horizontal plane, so that lifting and / or lowering movements of the centrifuge are not required. This leads to, that the design effort for the arrangement of the centrifuge in the support frame is significantly reduced.
Nach einem weiteren Merkmal der Erfindung ist vorgesehen, dass in dem Traggestell mehrere Zentrifugen angeordnet sind, die über einen gemeinsamen Antrieb, insbesondere Schwenkantrieb gleichzeitig zwischen den Positionen bewegbar sind. Durch diese Ausgestaltung wird die Leistung der erfindungsgemäßen Vorrichtung deutlich erhöht. Die gleichzeitige Bewegung mehrerer Zentrifugen führt zu einem exakten Entölungs- und/oder Reinigungsvorgang.According to a further feature of the invention it is provided that in the support frame a plurality of centrifuges are arranged, which are simultaneously movable between the positions via a common drive, in particular pivot drive. By this embodiment, the performance of the device according to the invention is significantly increased. The simultaneous movement of several centrifuges leads to an exact deoiling and / or cleaning process.
Vorzugsweise befinden sich die Positionen auf einer Kreisbahn um jeweils gleiche Winkel, insbes. 120° versetzt zueinander. Es besteht somit die Möglichkeit, dass in dem Traggestell mehrere Anfahrpositionen vorgesehen sind, wenn beispielsweise der Kühl- und Trocknungsprozess getrennt voneinander ausgeführt werden soll. Grundsätzlich denkbar ist es auch, dass bei vier Positionen lediglich drei Zentrifugen vorgesehen sind und dass demzufolge eine Position unbesetzt ist. Hierdurch können beispielsweise steuerungstechnisch unterschiedlichen Behandlungszeiten in den einzelnen Positionen eingestellt werden. So kann beispielsweise der Entölungsschritt einen längeren Zeitraum in Anspruch nehmen, als die nachfolgenden Reinigungsschritte, ohne dass die nachfolgenden Reinigungsschritte aufgrund des längeren Entölungsschritts stillgesetzt werden müssen.Preferably, the positions are located on a circular path around each same angle, in particular 120 ° offset from each other. There is thus the possibility that a plurality of approach positions are provided in the support frame, if, for example, the cooling and drying process is to be carried out separately from one another. In principle, it is also conceivable that in four positions, only three centrifuges are provided and that consequently a position is vacant. As a result, for example, control technology different treatment times can be set in the individual positions. Thus, for example, the de-oiling step take a longer period of time than the subsequent cleaning steps, without the subsequent cleaning steps due to the longer de-oiling step must be stopped.
Es hat sich als vorteilhaft erwiesen, das Traggestell im Querschnitt oktagonal auszubilden. Eine derartige Ausgestaltung hat den Vorteil, dass eine ausreichende Stabilität des Traggestells erzielbar ist und gleichzeitig die Aufstellfläche eines solchen Traggestells möglichst gering gewählt werden kann. Es ist aber auch möglich, das Traggestell im Querschnitt rechteckig auszubilden.It has proved to be advantageous to form the support frame in cross-section octagonal. Such a configuration has the advantage that sufficient stability of the support frame can be achieved and at the same time the footprint of such a support frame can be chosen as low as possible. But it is also possible to form the support frame in cross-section rectangular.
Weiterhin ist nach einer Weiterbildung der Erfindung vorgesehen, dass das Traggestell eine Position aufweist, in der die Zentrifuge um eine Horizontalachse geschwenkt wird. In der Regel handelt es sich hierbei um die letzte Position, in der es abschließend erforderlich ist, die Massenteile aus der Zentrifuge zu entleeren. Dies erfolgt bei dieser Ausgestaltung durch ein Verschwenken der Zentrifuge um eine Horizontalachse, so dass die Massenteile über die Befüllöffnung auf eine Rutsche oder Schurre übergeben werden, von wo aus die Massenteile dem weiteren Verarbeitungsprozess zugeführt werden. Jede der eingebauten Zentrifugen ist derart schwenkbar zwecks Totalentleerung.Furthermore, it is provided according to a development of the invention that the support frame has a position in which the centrifuge is pivoted about a horizontal axis. As a rule, this is the last position in which it is finally necessary to empty the mass parts from the centrifuge. This is done in this embodiment by pivoting the centrifuge about a horizontal axis, so that the mass parts are transferred via the filling opening on a chute or chute, from where the mass parts are supplied to the further processing process. each the built-in centrifuge is pivotable for total emptying.
Es ist nach einem weiteren Merkmal der Erfindung vorgesehen, dass die Drehgeschwindigkeit der Zentrifuge(n) in Abhängigkeit ihrer Position(en) im Traggestell steuerbar ist beziehungsweise sind. Gleiches gilt hinsichtlich der Drehrichtung, die variiert werden kann, um beispielsweise eine Umlagerung von Massenteilen zu bewirken. Hierzu können an sich bekannte Elektromotoren mit einer entsprechenden Steuerung vorgesehen sein. Es haben sich beispielsweise Asynchronmotoren als geeignet erwiesen. Durch die unterschiedlichen Drehgeschwindigkeiten der Zentrifuge ist es möglich, diese in den einzelnen Positionen mit unterschiedlicher Drehgeschwindigkeit anzutreiben, um einen hohen Entölungsgrad beziehungsweise eine hohe Waschintensität bei geringer Drehgeschwindigkeit und damit geringem Energiebedarf einstellen zu können.It is provided according to a further feature of the invention that the rotational speed of the centrifuge (s) is controllable in dependence on their position (s) in the support frame or are. The same applies with regard to the direction of rotation, which can be varied in order, for example, to effect a rearrangement of parts by mass. For this purpose, known electric motors with a corresponding control can be provided. For example, asynchronous motors have proven to be suitable. Due to the different rotational speeds of the centrifuge, it is possible to drive them in the individual positions with different rotational speed in order to set a high deoiling or a high washing intensity at low rotational speed and thus low energy consumption.
Desweiteren ist vorgesehen, dass das Traggestell eine drehbar im Traggestell gelagerte Zentralsäule aufweist, die für jede Zentrifuge einen Tragarm hat, wobei insbesondere diese Tragarme sternförmig an der Tragkonsole vorgesehen sind. Die Zentralsäule ist im Traggestell drehbar gelagert. Für die Drehung der Zentralsäule im Traggestell ist ein elektromotorischer Antrieb vorgesehen. Die Zentralsäule weist vorzugsweise einen Tragarm pro Zentrifuge auf. Ist nur eine Zentrifuge vorgesehen, so sind entsprechende Gegengewichte vorgesehen, die für einen Rundlauf Sorge tragen. In der Regel werden aber alle Zentrifugen auf Tragarmen plaziert, so dass die Tragarme sternförmig angeordnet sind. An den freien Enden der Tragarme sind die Zentrifugen vorgesehen, die jeweils einen eigenen Antrieb haben, so dass die Zentrifugen in den einzelnen Positionen mit unterschiedlichen Drehgeschwindigkeiten und/oder Drehrichtungen antreibbar sind.Furthermore, it is provided that the support frame has a rotatably mounted in the support frame central column, which has a support arm for each centrifuge, in particular, these support arms are provided in a star shape on the support bracket. The central column is rotatably mounted in the support frame. For the rotation of the central column in the support frame, an electric motor drive is provided. The central column preferably has one support arm per centrifuge. If only one centrifuge is provided, corresponding counterweights are provided which ensure concentricity. In general, however, all centrifuges are placed on support arms, so that the support arms are arranged in a star shape. At the free ends of the support arms, the centrifuges are provided, each having its own drive, so that the centrifuges are driven in the individual positions with different rotational speeds and / or directions of rotation.
Jede Zentrifuge ist vorzugsweise Bestandteil einer Zentrifugeneinheit, die ein Außengehäuse mit einer Wandung und einen von der Horizontalen abweichenden Boden sowie einen Antrieb für die im Außengehäuse angeordnete Zentrifuge aufweist. Das Außengehäuse mit dem Boden bildet hierbei auch ein Auffangbecken für aus der Zentrifuge austretendes Fluid mit oder ohne Ölanhaftungen. Durch den von der Horizontalen abweichenden Boden wird dieses Fluid an eine vorgesehene Stelle geleitet, an der beispielsweise eine Abflussleitung angeschlossen ist, die der Abfuhr des Fluids dient. Das Fluid kann dann einer Reinigungseinrichtung und/oder einem Sammelbehälter zugeführt werden, der regelmäßig entleert oder ausgetauscht wird.Each centrifuge is preferably part of a centrifuge unit, which has an outer housing with a wall and a bottom deviating from the horizontal and a drive for the arranged in the outer housing centrifuge. The outer housing with the bottom in this case also forms a catch basin for emerging from the centrifuge fluid with or without Ölanhaftungen. Due to the deviating from the horizontal bottom of this fluid is directed to a designated location to which, for example, a drain line is connected, which serves for the removal of the fluid. The fluid can then be supplied to a cleaning device and / or a collecting container, which is emptied or replaced regularly.
In dem Außengehäuse ist die Zentrifuge relativ zum Außengehäuse drehbar angeordnet. Zu diesem Zweck ist der Antriebsmotor vorgesehen, der beispielsweise außerhalb des Außengehäuses angeordnet ist, um so für Wartungsarbeiten leicht zugänglich zu sein.In the outer casing, the centrifuge is rotatably disposed relative to the outer casing. For this purpose, the drive motor is provided, which is arranged for example outside of the outer housing so as to be easily accessible for maintenance.
Desweiteren ist nach einem weiteren Merkmal der Erfindung vorgesehen, dass das Traggestell im Bereich der Position zur Entölung der Massenteile eine Zwischenglocke aufweist, die während des Schrittes zur Entölung die Zentrifuge umgibt und insbesondere in einen Spaltraum zwischen der Zentrifuge und der Wandung des Außengehäuses einfahrbar ist. Die Zwischenglocke dient dazu, das aus der Zentrifuge austretende Öl zu sammeln und bestimmungsgemäß abzuleiten, so dass das Öl einer Weiterverwendung, zugeführt wird. Desweiteren dient die Glocke selbstverständlich auch dazu, das Öl nicht unkontrolliert abzugeben, so dass hierdurch eine Verunreinigung von Vorrichtung und/oder der Umgebung verursacht wird. Ergänzend kann zu diesem Zweck auch vorgesehen sein, dass das Traggestell vollständig eingehaust ist, wobei die Einhausung vorzugsweise aus einer Vielzahl am Traggestell lösbar befestigten Plattenelementen besteht, so dass die Vorrichtung nach Entfernen von einem oder mehreren Plattenelementen an den dafür vorgesehenen Stellen zugänglich ist.Furthermore, it is provided according to a further feature of the invention that the support frame in the region of the position for deoiling the mass parts has an intermediate bell, which surrounds the centrifuge during the de-oiling step and in particular in a gap space between the centrifuge and the wall of the outer housing is retractable. The intermediate bell serves to collect the oil emerging from the centrifuge and to divert it as intended, so that the oil is used for further use. Furthermore, the bell also serves, of course, not to deliver the oil uncontrolled, so that thereby contamination of the device and / or the environment is caused. In addition, it may also be provided for this purpose that the support frame is completely housed, wherein the housing preferably consists of a plurality of plate members releasably secured to the support frame, so that the device is accessible after removing one or more plate elements at the designated locations.
Schließlich ist nach einem weiteren Merkmal der Erfindung vorgesehen, dass das Traggestell im Bereich der Position(en) zum Waschen und/oder zum Spülen und/oder Trocknen der Massenteile einen Deckel aufweist, mit dem eine Öffnung zur Befüllung der Zentrifuge(n) abdeckbar und insbesondere dichtend verschließbar ist, wobei insbesondere der Deckel eine Zuführeinrichtung für ein Wasch- und/oder Spülfluid und/oder ein Heißluftgebläse aufweist. Diese Ausgestaltung dient einer sehr einfachen Zuführung von Wasch- und/oder Spülfluid und hat darüber hinaus den Vorteil, dass entsprechende Einrichtungen nicht bei der Zentrifuge verwirklicht sein müssen. Desweiteren kann ein Heißluftgebläse in einfacher Weise in den Deckel integriert sein, so dass auch der Trocknungsvorgang in schneller und einfacher Weise ausführbar ist. Weitere Merkmale und Vorteile der erfindungsgemäßen Vorrichtung und des damit durchzuführenden erfindungsgemäßen Verfahrens ergeben sich aus der nachfolgenden Beschreibung der zugehörigen Zeichnung. In der Zeichnung zeigen:
- Fig. 1
- eine Vorrichtung zur Entölung und Reinigung von Massenteilen in einer ersten perspektivischen Ansicht;
- Fig. 2
- die Vorrichtung gemäß
Fig. 1 in einer zweiten gegenüber derFig. 1 um 45° gedrehten perspektivischen Ansicht; - Fig. 3
- die Vorrichtung gemäß den
Fign. 1 und2 in Seitenansicht; - Fig. 4
- die Vorrichtung gemäß den
Fign. 1 in Draufsicht;bis 3 - Fig. 5
- eine Zentrifugeneinheit der Vorrichtung gemäß den
Fign. 1 bis 4 in teilweise geschnitten dargestellter Seitenansicht; - Fig. 6
- eine Zentrifugeneinheit der Vorrichtung gemäß den
Fign. 1 bis 4 zur Entölung in perspektivischer Ansicht; - Fig. 7
- eine Zentrifugeneinheit zur Reinigung von Massenteilen in einer teilweise geschnitten dargestellten Seitenansicht und
- Fig. 8
- eine Zentrifugeneinheit zur Trocknung von Massenteilen in teilweise geschnitten dargestellter Seitenansicht.
- Fig. 1
- a device for de-oiling and cleaning of mass parts in a first perspective view;
- Fig. 2
- the device according to
Fig. 1 in a second opposite theFig. 1 rotated by 45 ° perspective view; - Fig. 3
- the device according to the
FIGS. 1 and2 in side view; - Fig. 4
- the device according to the
FIGS. 1 to 3 in plan view; - Fig. 5
- a centrifuge unit of the device according to the
FIGS. 1 to 4 in partially sectioned side view; - Fig. 6
- a centrifuge unit of the device according to the
FIGS. 1 to 4 for deoiling in perspective view; - Fig. 7
- a centrifuge unit for cleaning mass parts in a partially sectioned side view and
- Fig. 8
- a centrifuge unit for drying mass parts in a partially sectioned side view.
In den
Im Bereich oberhalb der Bodenplatte 2 weist das Traggestell 1 horizontal ausgerichtete Träger 5 auf, die entsprechend der Bodenplatte 2 die oktagonale Querschnittsform des Traggestells 1 aufgreifen.In the area above the bottom plate 2, the
In gleicher Weise weist das Traggestell 1 im Kopfbereich entsprechende Träger 6 auf, die mit den freien, der Bodenplatten 2 abgewandten Enden der Ständer 3 verbunden sind. Desweiteren sind Quertraversen 7 vorgesehen, die im Kopfbereich die Enden der Ständer 3 verbinden und rechtwinklig zu zwei parallel verlaufenden Trägern 6 ausgerichtet sind. Desweiteren sind Quertraversen 7 im unteren, in der Nähe der Bodenplatte 2 befindlichen Bereich in gleicher Weise angeordnet. Schließlich sind zwei weitere Quertraversen 7 im Traggestell 1 vorgesehen, die sich oberhalb der in der Nähe der Bodenplatte 2 angeordneten Quertraversen 7 befinden und eine Horizontalebene bestimmen, auf der die nachfolgend zu beschreibende Anordnung von drei Zentrifugeneinheiten 8 angeordnet sind.In the same way, the
Die Zentrifugeneinheiten 8 sind an Tragarmen 9 einer drehbar im Traggestell 1 gelagerten Zentralsäule 10 angeordnet, wobei die Tragarme 9 sternförmig ausgerichtet sind.The
Über die Zentralsäule 10 können die Zentrifugeneinheiten 8 relativ zum Traggestell 1 in unterschiedliche Positionen jeweils zur Durchführung eines Verfahrensschritts zur Entölung und Reinigung von Massenteilen verfahren werden.About the
Die Zentrifugeneinheiten 8 werden nachfolgend noch in Bezug auf die
Bezugnehmend auf die
Weiterhin ist erkennbar, dass das Traggestell 1 eine Schurre 12 aufweist, die dem Austrag von entölten und gereinigten Massenteilen dient.Furthermore, it can be seen that the
Die bereits voranstehend erwähnte Zentralsäule 10, die drehbar im Traggestell 1 angeordnet ist, weist einen Antrieb 13 auf. Dieser Antrieb 13 dient dazu, die Zentralsäule 10 relativ zum Traggestell 1 zu bewegen, wobei die drei Zentrifugeneinheiten 8 durch die Drehbewegung der Zentralsäule 10 zwischen den drei in
Nachfolgend werden die Zentrifugeneinheiten 8 gemäß den
In
Es ist erkennbar, dass die Zentrifugeneinheit 8 einen Rahmen 21 aufweist, der unter anderem auch einen Antriebsmotor 22 trägt. Die Zentrifuge 14 ist relativ zum Außengehäuse 15 drehbar gelagert und wird über einen Antriebsmotor 22 angetrieben. Jede Zentrifuge 14 weist eine wälzgelagerte Vertikalwelle 23 auf, die an ihrem oberen, der Zentrifuge 14 zugewandten Ende einen Flansch 24 hat, der mit der Zentrifugentrommel der Zentrifuge 14 verbunden ist. Die Zentrifuge 14 ist in ihrem Außenumfang perforiert ausgebildet, so dass Flüssigkeiten unter hoher Fliehkraft aus der Zentrifuge 14 nach außen in das Außengehäuse abgeschleudert werden. Der Antrieb der Zentrifuge 14 erfolgt über die Vertikalwelle 23, die am unteren Ende über einen Keilriemenantrieb 25 mit dem als Zentrifugendrehstromantrieb ausgebildeten Antriebsmotor 22 angetrieben wird.It can be seen that the
Die Zentrifuge 14 weist einen leicht konisch ausgebildeten Boden 26 auf, so dass beim Betrieb der Zentrifuge 14 die abzuschleudernden Massenteile nach oben gegen die perforierte Wandung der Zentrifuge 14 geschleudert werden.The
Die Zentrifuge 14 ist ferner mittels eines Direktantriebs, beispielsweise eines Aufsteck-Getriebemotors um eine horizontale Achse schwenkbar gelagert. Dieser Direktantrieb weist eine Gleichstrombremse auf, so dass die Zentrifuge 14 sowohl in der vertikalen Ausrichtung als auch nach dem Schwenken sicher fixiert bleibt. Das Schwenken der Zentrifuge 14 um die horizontale Achse dient dazu, die in der Zentrifuge 14 abzuschleudernden Massenteile nach Beendigung der Entölung oder Reinigung aus der Zentrifuge 14 zu entleeren und der Schurre 12 zu übergeben, von wo aus die Massenteile der weiteren Verarbeitung zugeführt werden können.The
Jede der Zentrifugen 14 weist einen bereits beschriebenen Rahmen 21 auf, an dem das feststehende Außengehäuse 15 um zwei horizontal angeordnete Schwenkzapfen schwenkbar gelagert ist. Um eine solche horizontale Achse, gebildet von den beiden Schwenkzapfen, ist jede Zentrifuge 14 in dem Rahmen 21 schwenkbar gelagert und kann durch den zuvor beschriebenen Motor geschwenkt werden. Der Rahmen 21 ist über Schwingmetallpuffer am sternförmig angeordneten Tragarm 9 schwingungsisoliert gelagert.Each of the
Der bereits zuvor beschriebene Boden 17, der zusammen mit der Wandung 16 das Außengehäuse 15 bildet ist schräg zur Horizontalen verlaufend angeordnet, so dass abgeschleuderte Flüssigkeiten über diesen Boden 17 zur Ablauföffnung 19 abgeführt werden. Um zu verhindern, dass nach dem Entölen der Massenteile in Position A Restölanteile im Innenraum des Außengehäuses 15 in die nachfolgenden Positionen B beziehungsweise C mitgeschleppt werden, weist die Position A eine in
In der Position A werden die Massenteile in die Zentrifuge 14 über eine Öffnung 30 eingebracht. Im Anschluss hieran, gegebenenfalls auch zuvor wird die Zwischenglocke 27 über den Linearantrieb 28 in einen Spaltraum 31 zwischen der Wandung 16 und der Zentrifuge 14 abgesenkt. Nach Absenken der Zwischenglocke 27 wird die Zentrifuge 14 mit hoher Umdrehungszahl gedreht, so dass aufgrund der Zentrifugalkräfte das an den Massenteilen anhaftende Öl abgeschleudert und über die perforierte Wandung der Zentrifuge 14 abgegeben wird. Dieses Öl wird an der Innenwandung der Zwischenglocke 27 niedergeschlagen und läuft an der Innenwandung in Richtung der Schwerkraft nach unten hin ab. Im unteren Bereich weist die Zwischenglocke 27 eine umlaufende, nicht näher dargestellte Sammelrinne auf, die einer Regenrinne ähnelt. In dieser Sammelrinne wird das abgeschleuderte Öl gesammelt und zwischengelagert.In position A, the mass parts are introduced into the
Die Sammelrinne weist einen Ablauf auf, der durch ein Stopfenventil während des Betriebs der Zentrifuge 14 verschlossen ist.The collecting trough has a drain which is passed through a plug valve during the Operation of the
Nach Beendigung des Entölens, demnach bei Beendigung der Drehbewegung der Zentrifuge 14 wird die Zwischenglocke 27 über den Linearantrieb 28 aus dem Spaltraum 31 herausgefahren. Danach wird das Stopfenventil automatisch geöffnet, so dass das aufgefangene und sich in der Sammelrinne befindliche Öl über ein nicht näher dargestellten Abfluss in einen Trichterstutzen abfließt, der eine Zentralverbindung zu einer Ölrückführung nach unten besitzt. Dieser Trichterstutzen wird pneumatisch durch einen Druckluftzylinder eingeschwenkt, wenn die Zwischenglocke 27 oberhalb der Zentrifuge 14 angeordnet ist.After completion of de-oiling, therefore upon completion of the rotational movement of the
Das über den Auffangtrichter abgeführte Öl kann beispielsweise einem Behälter 11 zugeführt werden, in dem das Öl für eine weitere Verwendung, zwischengelagert wird. Der entsprechende Behälter 11 kann demzufolge austauschbar im Traggestell 1 angeordnet sein.The oil discharged via the collecting funnel can be supplied, for example, to a
Der Deckel 32 ist kuppelförmig ausgebildet und weist an seiner Außenmantelfläche im Bereich des dem Außengehäuse 15 zugewandten Endes eines umlaufende Dichtung 34 auf, die bei aufgesetztem Deckel 32 dichtend auf der Stirnfläche der Wandung 16 aufliegt. Desweiteren weist der Deckel 32 mehrere Flachstrahldüsen 35 auf, über die bei aufgesetztem und abgedichtetem Deckel 32 beispielsweise Waschlauge oder Spülwasser in die Zentrifuge 14 in der gewünschten beziehungsweise erforderlichen Menge eingebracht wird. Über die Flachstrahldüsen 35 können die Waschlauge oder das Spülwasser mit hohem Druck und in einem effektiven Spritzwinkel derart eingebracht werden, dass sich der gewünschte Reinigungs- beziehungsweise Spüleffekt einstellt. Hierzu sind die Flachstrahldüsen 35 beispielsweise an eine nicht näher dargestellte Druckkluftmembranpumpe angeschlossen, die in eine Rohrleitung geschaltet ist, welche einen Speicherbehälter mit den Flachstrahldüsen 35 verbindet.The
Der Deckel 32 gemäß
Nach Durchführung des Waschvorgangs in der Position B beziehungsweise des Spülvorgangs in der Position C erfolgt eine Luftabblasung an der Unterseite des Deckels 32 mittels einer rotierenden Zentraldüse, um anhaftende Tropfen bei noch geschlossenem Zentrifugengehäuse abzublasen. Erst im Anschluss hieran wird der Deckel 32 angehoben und die Zentrifugeneinheit 8 aus der Position B in die Position C verfahren.After carrying out the washing process in the position B or the rinsing process in the position C, a Luftabblasung takes place on the underside of the
Ein in der Position C vorgesehener Deckel 32 ist in
Der Deckel 32 in der Position C weist neben den der Flachstrahldüsen 35 ergänzend eine Zugangsleitung 36 auf, die mit einem Heißluftgebläse 37 verbunden ist, so dass über die Zugangsleitung 36 Heißluft in das Innere des Außengehäuses 15 und damit in die Zentrifuge 14 zur Trocknung der Massenartikel eingeleitet wird. Die Abluft kann hierbei über einen Abluftstutzen 38 entweichen.The
Die voranstehend beschriebene Vorrichtung weist eine Steuerungseinrichtung auf, die eine Vorprogrammierung der einzelnen Behandlungszyklen in den Positionen A bis C ermöglicht. Hierbei werden Taktzeiten, Zentrifugendrehzahl und/oder Zentrifugendrehrichtung in Abhängigkeit der zu entölenden und zu reinigenden Massenartikel gesteuert.The device described above has a control device which allows pre-programming of the individual treatment cycles in the positions A to C. In this case, cycle times, centrifuge speed and / or centrifuge direction of rotation are controlled as a function of the mass-produced articles to be de-oiled and cleaned.
Die Beschickung dieser Vorrichtung erfolgt durch einen Zufuhrförderer in Form eines Stahl-Scharniergutförderers, der die einzufüllenden Massenartikel für einen Entölungsbeziehungsweise Reinigungszyklus aufnimmt. Die Beschickung erfolgt in der Position A. Nach Abschluss der Beschickung findet in der Position A in der dort stehenden Zentrifuge 14 die Entölung statt. Zur Beschickung der Zentrifuge 14 in Position A kann es erforderlich sein, dass der Zufuhrförderer pneumatisch bewegt bis in den Mittenbereich der Zentrifuge 14 vorfährt. Nach Beschickung der Zentrifuge 14 in der Position A fährt der Zufuhrförderer wieder in seine Ausgangsposition zurück, so dass anschließend die Zwischenglocke 27 von oben in den Zwischenraum zwischen Zentrifuge 14 und Außengehäuse 15 eingefahren werden kann. Danach erfolgt die Abschleuderung des Öls in der Position A. Nach Beendigung dieses Entölungsvorgangs wird die Zwischenglocke 27 wieder aus dem Spaltraum 31 herausgehoben, so dass in einem nächsten Schritt die Zentralsäule 10 im Traggestell 1 um 120° verdreht wird. Die zuvor in Position A angeordnete und nun entölte Massenteile enthaltende Zentrifuge 14 erreicht Position B. In dieser Position B wird die Zentrifuge 14 durch den Deckel 32 abgedeckt und über die Flachstrahldüsen 35 ein Waschliquid mit hohem Druck eingespritzt, so dass über den hohen Druck Rest-Verunreinigungen an den Massenartikeln gelöst werden. Während des Einstrahlens von Waschliquid kann die Zentrifuge 14 mit geringer Umdrehungsgeschwindigkeit betrieben werden. Auch kann die Umdrehungsrichtung während dieses Vorgangs mehrfach geändert werden, so dass eine Vielzahl von Massenartikeln mit dem entsprechenden Strahl aus Waschlauge beaufschlagt werden. Ferner ist eine leichte Schrägstellung der Zentrifuge mittels des Schwenkantriebes möglich, um während des Waschvorgangs eine zusätzliche Umwälzung der Massenartikel zu bewirken.The feeding of this device is carried out by a feed conveyor in the form of a Stahl-hinged material conveyor, which receives the einzufüllenden mass products for a Entölungsbeziehungsweise cleaning cycle. The feed takes place in the position A. After completion of the feed, the de-oiling takes place in the position A in the
Nachdem die Zuführung von Waschliquid beendet ist, wird die Zentrifuge 14 in Vertikalstellung wieder mit hoher Drehgeschwindigkeit bewegt, so dass das Waschliquid und gegebenenfalls auch gelöste Verunreinigungspartikel über die Außenmantelfläche der Zentrifuge 14 ausgetragen werden.After the supply of washing liquid has ended, the
Nach Beendigung dieses Verfahrensschrittes in Position B wird der Deckel 32 angehoben, so dass die Zentralsäule 10 wiederum um 120° innerhalb des Traggestells 1 verdreht werden kann und die Zentrifuge 14 mit den nun gewaschenen Massenteilen die Position C im Traggestell 1 erreicht. In dieser Position C wird der Deckel 32 gemäß
Anschließend kann dann das Heißluftgebläse 37 eingeschaltet und über die Zugangsleitung 36 Heißluft in die sich mit niedriger Drehzahl drehende Zentrifuge 14 zur Trocknung der Massenartikel eingeströmt werden. Die Abluft verlässt die Zentrifuge beziehungsweise das Außengehäuse 15 über den Abluftstutzen 38.Then then the hot air blower 37 is turned on and over Access line 36 hot air are flowed into the rotating at
Nach Beendigung der Trocknung der Massenartikel durch Heißluft wird der Deckel 32 gemäß
Die voranstehend beschriebene Erfindung betrifft ein Verfahren zur Entölung und/oder Reinigung von Massenteilen, vorzugsweise Maschinenbauteilen, wie insbesondere Schrauben, Bolzen, Muttern, Kaltvliespressteile, Stahlblechstanzteile, Biegeteile oder dgl. bei dem die Massenteile in einem ersten Schritt in eine Zentrifuge eingebracht und in dieser Zentrifuge ohne Umfüllung bzw. Umladung in mehreren Schritten nacheinander entölt, gewaschen, gespült und getrocknet werden. Hierbei ist vorgesehen, dass die Behandlungsschritte in ein und derselben Zentrifuge ohne Umfüllung durchgeführt werden, welche Zentrifuge auf einem Traggestell angeordnet ist, die im Wesentlichen in einer horizontalen Ebene die verschiedenen Behandlungsprozesse nacheinander durchläuft. Die Zentrifuge wird nach Abschluss eines jeden Schrittes vorzugsweise auf einer Kreisbahn, bei festgelegten Schwenkwinkeln von beispielsweise 180°, 120°, 90°, 72°, 60° oder dgl. jeweils zu einer nachfolgenden Position zwecks Durchführung des nachfolgenden Schritts bewegt. In der ersten Position wird die Zentrifuge mit den Massenteilen befüllt und in der letzten Position wird die Zentrifuge entleert. Die Taktschritte können mit mehreren Zentrifugen gleichzeitig durchgeführt werden, wobei jede Zentrifuge nach Beendigung eines Schrittes in eine nachfolgende Position zur Durchführung des nachfolgenden Schrittes bewegt wird, so dass die Bewegung der Zentrifugen zwischen den Positionen gleichzeitig erfolgt.
Claims (14)
- A method for de-oiling and/or cleaning parts from mass production, preferably machine components such as in particular screws, bolts, nuts, cold extruded parts, punched steel sheet parts, bent parts or the like, in which the parts from mass production are in a first step introduced into a centrifuge and de-oiled in the centrifuge, then washed in a second step and finally rinsed in a third step,
characterized in
that the steps of de-oiling and/or cleaning the parts from mass production are carried out by means of a centrifuge which can be displaced in a bearer frame between three or more positions that are essentially placed in a horizontal plane, wherein in the first position the parts from mass production will be de-oiled and/or dephosphatised, in the second position they will be washed and submitted to spinning and in the third position they will be rinsed, submitted to spinning and preferably also be dried. - A method according to claim 1,
characterized in
that after having completed each step, the centrifuge will be displaced on a circular path at equal angles, in particular each comprising 120°, into a subsequent position for carrying out the following step. - A method according to claim 1 or 2,
characterized in
that the parts from mass production will be filled into the centrifuge in the first position and that the centrifuge will be emptied in the third or fourth position. - A method according to one of the claims 1 through 3,
characterized in
that the steps will be carried out by several centrifuges simultaneously, wherein each centrifuge will be displaced after completion of a step into a subsequent position for carrying out the following step, such that the movement of the centrifuges between the positions takes place simultaneously. - A device for de-oiling and/or cleaning parts from mass production, preferably machine components such as in particular screws, bolts, nuts, cold extruded parts, punched steel sheet parts, bent parts or the like, comprising a centrifuge driven by motors for receiving the parts from mass production and comprising a bearer frame, on which the centrifuge is arranged in a rotating and/or pivoting manner, wherein parts from mass production will be de-oiled and/or cleaned in several steps in the centrifuge,
characterized in
that the bearer frame (1) comprises three positions (A, B, C) in a horizontal plane, into which positions the centrifuge (14) can be displaced for respectively carrying out one step of de-oiling and/or cleaning the parts from mass production. - A device according to claim 5,
characterized in
that several centrifuges (14) are arranged in the bearer frame (1), which centrifuges (14) can be simultaneously moved between several positions (A, B, C) by means of a common drive (13). - A device according to claim 5 or 6,
characterized in
that the positions (A, B, C) are offset with respect to each other on a circular path by respectively identical swing angles of especially 120°. - A device according to one of the claims 5 through 7,
characterized in
that the cross section of the bearer frame (1) has an octagonal shape. - A device according to one of the claims 5 through 8,
characterized in
that the bearer frame (1) comprises a position (C), in which the centrifuge (8) can be pivoted around a horizontal axis. - A device according to one of the claims 5 through 9,
characterized in
that the rotation speed of the centrifuge(s) (14) can be controlled in dependence on their position(s) (A, B. C) in the bearer frame (1). - A device according to one of the claims 5 through 10,
characterized in
that the bearer frame (1) comprises a central column (10) arranged in a rotatable manner in the bearer frame (1), which central column (10) comprises a support arm (9) for each centrifuge (14), wherein in particular the support arms (9) are provided in the form of a star on the central column (10). - A device according to one of the claims 5 through 11,
characterized in
that each centrifuge (14) is part of a centrifugal unit (8) which comprises an outer housing (15) having a wall (16) and a bottom (17) that differs from the horizontal line as well as a drive (22) for the centrifuge (14) arranged in the outer housing (15). - A device according to one of the claims 5 through 12,
characterized in
that the bearer frame (1) comprises an intermediate cover (27) in the area of position (A) for de-oiling the parts from mass production, which intermediate cover (27) surrounds the centrifuge (14) during the step of de-oiling and which cover (27) can in particular be retracted into a gap space between the centrifuge (14) and the wall (16) of the outer housing (15). - A device according to one of the claims 5 through 13,
characterized in
that the bearer frame (1) comprises a lid (32) in the area of the position(s) (B, C) for washing and/or rinsing and/or drying the parts from mass production, by means of which lid (32) an opening for filling the centrifuge(s) (14) can be covered and in particular tightly sealed, wherein in particular the lid(s) (32) comprise(s) a supply device (35) for a washing and/or rinsing fluid and/or a fan heater (37).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16195454T PL3165286T3 (en) | 2015-11-04 | 2016-10-25 | Method and device for de-oiling and/or cleaning mass-produced parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015118877.5A DE102015118877A1 (en) | 2015-11-04 | 2015-11-04 | Method and device for deoiling and / or cleaning mass parts |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3165286A1 EP3165286A1 (en) | 2017-05-10 |
EP3165286B1 true EP3165286B1 (en) | 2019-08-07 |
Family
ID=57189970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16195454.0A Active EP3165286B1 (en) | 2015-11-04 | 2016-10-25 | Method and device for de-oiling and/or cleaning mass-produced parts |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3165286B1 (en) |
DE (1) | DE102015118877A1 (en) |
ES (1) | ES2752744T3 (en) |
HU (1) | HUE047206T2 (en) |
PL (1) | PL3165286T3 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108034566B (en) * | 2018-01-04 | 2023-05-23 | 广州承葛复兴医药科技有限公司 | Centrifugal washing device and centrifugal washing method |
EP3560610A1 (en) | 2018-04-27 | 2019-10-30 | Wiwox GmbH Surface Systems | Device and method for processing mass-produced parts |
EP3663434A1 (en) | 2018-12-04 | 2020-06-10 | Wiwox GmbH Surface Systems | Device and method for treatment of components and use of such a device |
CN112222058A (en) * | 2020-08-25 | 2021-01-15 | 南京灵雀智能制造有限公司 | Equipment for removing oil dirt of external thread screw part and working method |
CN113059015B (en) * | 2021-03-29 | 2022-11-01 | 浙江钱富万向节有限公司 | Environment-friendly intelligent processing technology for lubricating and coating cold extruded blank |
CN113414015B (en) * | 2021-06-29 | 2022-07-05 | 常州市群丰玻纤制品有限公司 | Method for manufacturing cross-linked glass fiber material |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1446083A (en) * | 1973-11-20 | 1976-08-11 | Ici Ltd | Cleaning apparatus |
DE3010960A1 (en) * | 1980-03-21 | 1981-10-01 | Gebr. Steimel, 5202 Hennef | DEVICE FOR GRAPPING, LIFTING, TRANSPORTING AND SETTING DOWN CENTRIFUGAL DRUM |
DE4015146A1 (en) * | 1990-05-11 | 1991-11-14 | Kliro Bau Gmbh & Co Kg | Cleaning system to remove lubricant from workpieces - has three stations with drum inserts for simultaneous different cleaning stages |
DE4100414C1 (en) * | 1991-01-09 | 1992-04-23 | Erich 5010 Bergheim De Wagner | |
US6223756B1 (en) | 1999-03-31 | 2001-05-01 | Turbo-Clean Gmbh | Apparatus for degreasing solid parts |
DE10161086B4 (en) | 2001-12-12 | 2005-06-02 | Wmv Apparatebau Gmbh & Co Kg | Plant for treating mass parts |
US20120031437A1 (en) * | 2009-03-31 | 2012-02-09 | Roberto Beguin | Multi-chamber degreasing machine |
-
2015
- 2015-11-04 DE DE102015118877.5A patent/DE102015118877A1/en not_active Withdrawn
-
2016
- 2016-10-25 PL PL16195454T patent/PL3165286T3/en unknown
- 2016-10-25 EP EP16195454.0A patent/EP3165286B1/en active Active
- 2016-10-25 HU HUE16195454A patent/HUE047206T2/en unknown
- 2016-10-25 ES ES16195454T patent/ES2752744T3/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
ES2752744T3 (en) | 2020-04-06 |
HUE047206T2 (en) | 2020-04-28 |
EP3165286A1 (en) | 2017-05-10 |
PL3165286T3 (en) | 2020-03-31 |
DE102015118877A1 (en) | 2017-05-04 |
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