DE19845367C2 - Method and device for cleaning parts of printing machines - Google Patents

Abstract

The cleaning device has a wash chamber (30) and at least five fixed spray devices (56) which are set along an axis parallel to the axis of the screen roller (64) to spray the cleaning fluid (40) onto the roller at different angles (58) so that at least each two adjoining spra devices are not aligned at the same angle. The screen roller can be mounted on a drive roller (72). A spray guard (76) is provided in the wash chamber.

Description

The present invention relates to a method and a pre direction for cleaning parts of printing machines, in particular that of anilox rollers of flexographic printing machines, by means of a Cleaning liquid, at least one anilox roller above half a level of cleaning fluid in a washroom driven around its axis and with the cleaning fluids liquid is sprayed on.

Such a method and such a device are known from the EP 0 180 541 A1 known.  

Flexographic presses are printing presses that go after the high printing principle work. First of all, color from so-called ten anilox rollers added. The anilox rollers have a Large number of extremely small cells on their rollers scope on. The color stays when the anilox rollers turn through a dye bath, due to adhesive forces, etc. hang in the well. Then there will be excess paint stripped by means of a squeegee or the like. The grid The roller then comes into contact with a pressure plate that has raised structures to be printed. The anilox roller transfers the color from its wells to the surface of the sublime structures. Such printing plates can for example be arranged around the pressure cylinder and from a fle xiblen material exist.

In flexo printing there are essentially three color systems beitet. Conventional solvent paints have been used for some years Years from the point of view of environmental protection more and more repressed. The solvent paints have been in use for a few years more and more replaced by water colors on the one hand and the second so-called UV inks. While the former are water soluble, white the latter have a chemical composition by which the Color does not harden through contact with air, but through UV Irradiation.

The anilox rollers, the printing plates and of course ink trays as well as other small parts of the flexographic printing machines paint residues are cleaned regularly.

Here these parts come from flexographic printing presses when Solvent ink residues are present with a solvent in  Contact. If the color is a water color, the parts come in contact with water. UV inks are usually flat if a kind of solvent is used. Because UV inks are usually not water soluble.

The operator of such a flexographic printing machine is usually forced to provide customers with any type of color for flexographic printing to keep them in stock and use them if necessary. Accordingly, he must have a corresponding number of cleaning systems provide me.

Classically, the cleaning is done by the parts of the Flexographic printing machine in a tank or bath made of solvent or water are immersed. It is also known to brush to provide for coarse dirt or solid, dried on to be able to remove any impurities.

In all cases, the cleaning liquid or the solvent be disposed of properly, because it understands yourself that even water colors don't just go into the sewers may be disposed of.

The cleaning processes often take a long time. The Reini result is not always satisfactory.

In the cleaning device, which from the above EP 0 180 541 A1 is known, one is below the roller a carriage that can be moved parallel to the roller axis and on it swiveling or rotatable nozzle arranged. The constructive Effort is considerable.  

DE 81 02 684 U1 describes a device for cleaning Clichés known. The clichés are based on a rotating Zy linder stretched and of several rows of flat jet and Full jet nozzles sprayed on and brushed off with a brush. The design effort is also very great here.

The problem underlying the invention thus exists in, the method mentioned at the outset Device for cleaning parts of printing machines so too improve that the cleaning effort with little constructi ven effort even when different color systems the printing press are used, is reduced.

In the cleaning process mentioned at the beginning, this is open solved in that the cleaning liquid by means of we at least five sprayers, essentially along an axis is arranged parallel to the anilox roller axis, sprayed onto the anilox roller at different angles is such that at least two adjacent sprays not towards the anilox roller at the same angle are directed.

The task is in the above-mentioned device for Cleaning parts of printing machines solved in that we at least five fixed spray devices are provided, which are essentially along an axis parallel to the grid roller axis are arranged and the cleaning liquid under spray different angles on the anilox roller, such that at least two adjacent spray devices are not are aimed at the anilox roller at the same angle.  

The problem underlying the invention is in this Wei se completely solved.

Due to the measure, the part to be cleaned is no longer in the Lay cleaning liquid, but above a level to keep the cleaning liquid and the part from at least five fixed spray devices under different Spraying angles with cleaning fluid can be achieved be that the cleaning liquid on the to be cleaned Part of the adhering paint infiltrates. In contrast to the conventional Lichen cleaning approaches in which the solvent or water gradually to the bottom of small depressions had to "work through" for example from anilox rollers, to completely remove paint residues, according to the invention through flushing devices cleaning liquid under under sprayed at different angles on the part, so that the  Cleaning liquid in any case between paint and too clean penetrating part. Because of the different angles can be exploited the fact that in some places between part to be cleaned and paint residue a tiny gap is there. Due to the different spray angles, the Chance increases that the cleaning liquid in such Gap can penetrate and the paint residues thereby migrate behind and can separate from the back, so to speak.

It has surprisingly been found that this type of Rei cleaning process or device even when using solution medium-free cleaning fluids is not only capable Water colors but also UV colors from the part to be cleaned to solve. Because it has been shown that UV inks also differ a Reini sprayed in this way at different angles Let the liquid flow behind. In other words, NEN with the device according to the invention and the fiction process parts of both water colors and UV Colors are cleaned, although the cleaning liquid must not necessarily be able to dissolve UV inks. In the opposite part, the cleaning effect is also achieved when the Reini solvent-free, especially water-based is.

Since the spraying devices have the cleaning liquid above a level of the cleaning liquid in the washroom on the Spray part and since the spray devices are fixed, can this is done under comparatively high pressure. Because of the Due to the high pressure, the cleaning liquid can remove the paint residues easier to hike behind.  

The holding means have drive means to at least an anilox roller above the level of the cleaning liquid to rotate their roller axis.

This measure ensures that anilox rollers also a comparatively small number of fixed Spray devices over their entire scope of paint residues can be cleaned. It has been shown that the effort to drive the anilox rollers is much less than if a variety of fixed spray devices around the Arrange circumference of the anilox roller around. On top of that by the relative movement between the part to be cleaned, that is the anilox roller, and the fixed spraying devices Probability is increased that the cleaning liquid in micro gaps between paint residues and the part to be cleaned can penetrate, so as to remove the paint residues from behind.

Furthermore, the at least five spray devices are essentially Chen along an axis parallel to the anilox roller axis orderly.

With this arrangement it can be achieved that the spray directions, operated with the same pressure, an even Can achieve cleaning of the anilox roller.

It is particularly preferred if the drive means a have narrow drive roller on which the anilox roller on lies.

As a result, the function of the necessary storage of the Anilox roller above the level of the cleaning liquid in  the washroom can be combined with the drive. So it is a separate train is not necessary to drive the anilox roller to provide means or special gears or the like. It is also advantageous that the drive means are not on special anilox rollers must be adapted; it can grid roll with any diameter and relatively any length one and the same cleaning device can be cleaned. By the narrow design of the drive roller is due to the Dead weight of the anilox roller the contact pressure between the raster roller and drive roller big enough to move around in a washroom with cleaning liquid for one to ensure slip-free drive.

It is particularly preferred if the anilox roller on the Drive roller rests with its latched circumference.

This results in a particularly favorable translation relationship. As the anilox roller rotates, the cleaning effect in the "circumferential belt" on which the drive roller rotates, not worsened.

According to a further preferred embodiment, the Washroom provided a splash guard that is shaped and attached is that befe on a journal of the anilox roller Stigt drive wheel is splashproof.

The anilox rollers have for their drive in the printing press usually removable drive wheels on the bearing often pin the anilox roller by means of a roller bearing sets are. Conventionally, when immersing the Anilox roller in a washing bath the drive wheels removed in advance,  to prevent the bearings from being degreased. Because this could cause friction and hence loss performance of the flexographic printing press increases; corrosion could also occur occur on the rolling bearings. The splash guard makes it possible Lich, the anilox rollers with attached drive wheel in the Store washroom. Because the drive wheel through the splash guard protected from direct spray or other splashes degreasing of the rolling bearings can be prevented. The Cleaning process is thus easier overall, since the user which does not remove the drive wheel from the Remove anilox roller and not like after cleaning who must attach to the anilox roller.

It is also particularly preferred if the axis of the spray devices is arranged obliquely above the anilox roller.

As a result, the main spray direction is slanted downwards directed. The spray devices do not have to be against the Spray gravity. Furthermore, the cleaning liquid drip off the anilox roller easily. Dripping cleaning liquid does not pass through the spray path of the spray facilities. Furthermore, he is by this special arrangement is sufficient that the anilox roller in a simple manner from above into the Washroom can be used. Also for ergonomic reasons this particular arrangement is therefore preferred.

It is also advantageous if at least eight fixed Spray devices for each anilox roller in the washroom are seen.  

It has been shown that such a number of sprayers is sufficient to anilox rollers in the usual dimensions outstandingly clean within a comparatively short time to be able to.

Overall, it is preferable if the holding means to do so are designed, two anilox rollers in the washroom next to each other to keep others.

This makes good use of space in the washroom enough. The axes of the fixed spray devices can roughly parallel to each other, but further apart than the anilox rollers are aligned. So both can be Use anilox rollers particularly easily in the washroom and remove from this again.

According to a further embodiment, it is advantageous if the holding means on a cleaning basket made of mesh material point in the small parts in the washroom above the level the cleaning liquid are kept.

The cleaning basket is used to hold small parts. By the mesh material is reached that cleaning liquid sprayed from all sides on irregular small parts can be.

It is further preferred if the holding means have holders point to flat pressure plates in the washroom above the Fixing the level of the cleaning liquid hanging.  

This makes it possible not only the anilox rollers and small parts, but if necessary also the plan printing plates in the cleaning device. The printing plates can be designed as flexible printing plates. If more Clean printing plates simultaneously in one washing process , it is preferred if the printing plates are approximately vertical arranged to align the axes of the spray devices become.

In another preferred embodiment of the invention manure is above and / or below that in the washroom holding part arranged a rotatable spray arm, the preferred as a plurality of nozzles arranged obliquely to the arm axis has, which are directed to the part and their recoil force turns the spray arm during a spraying process.

Such spray arms are for example from conventional house halt dishwashers known. The spray arms can Support cleaning effect, especially with something coarser small parts in the cleaning basket made of mesh material can be recorded.

It is particularly preferred if the cross section of the Nozzles of the fixed flushing devices is smaller than that the spray arms.

This ensures that the fixed sprayer the cleaning liquid under a higher pressure on the can spray each part to be cleaned than the spray arms. Since the spray arms are mainly used for cleaning small parts that usually have no fine cells in their  Possess surface like anilox rollers, it is not necessary the cleaning liquid under an equally high pressure spraying the small parts like on the anilox rollers.

It is still preferable if the cleaning device a container with a first cleaning liquid and one Containers with a second cleaning or rinsing liquid such as an inlet pipe system and an outlet pipe system points, the line systems optionally with the first or the second container can be connected.

This measure makes it possible to use different cleaners fluids, which differ, for example, from the concentra tion can distinguish here, or a cleaning liquid and a flushing liquid in succession through the same inlet and exhaust pipe system in a closed circuit with to connect the washroom.

In other words, it is special in this embodiment their advantage that two different liquids in succession sprayed onto the part of the press to be cleaned can be.

It is particularly preferred if the container as each only separate elements outside of the washroom and the Line systems containing washing unit are provided.

As a result, the greatest possible flexibility is achieved. The Containers can be replaced at any time, for example against containers with a fresh cleaning liquid or with a cleaning liquid of a different concentration.  

Furthermore, the containers can be designed differently. Overall, the greatest possible flexibility of cleaning device reached.

It is also particularly preferred if the line systems can be connected to the containers using two hoses are.

This measure allows the location of the containers in the area the hose length can be chosen freely. The cleaning device tion can therefore be made particularly flexible overall.

According to a particularly preferred embodiment, there is little at least one of the containers with a stirring device and / or a heating device.

A stirring device can be used after a long period of inactivity inside the container cleaning liquid present in two different phases mix again before the actual washing process. By a heater can target the temperature of the clean supply liquid can be influenced, especially to the To influence foaming of the cleaning liquid favorably.

It is particularly preferred if the heating device is on has heating element mounted in a float and over an inlet of the container is insertable.

This measure means that the container or containers are always without retrofit greater effort with a heater. The Heater can change cleaning fluid  can be removed via the inlet. Furthermore, a heating device device for different containers.

It is understood that the features of the invention are not limited to the specified combination, but also in others Combinations or alone can be used without the Leave the scope of the invention.

Embodiments of the invention are shown in the drawing provides and will he in the description below purifies. Show it:

FIG. 1 shows a cleaning device according to the invention with a washing unit and two connectable to the washing unit containers for cleaning fluid;

FIG. 2 shows a schematic partial sectional view of the interior of the washing unit from FIG. 1;

Fig. 3 is a schematic sectional view taken along the line III-III of Fig. 2;

Fig. 4 is a schematic side view of a splash guard, which is disposed inside of a washing chamber of the washing unit;

Figure 5 is a schematic plan view of a holder for printing plates to be cleaned. and

Fig. 6 is a schematic sectional view through a container ter for cleaning liquid.

In Fig. 1, a cleaning device is generally characterized by 10 be.

The cleaning device 10 has a washing unit 12 . The washing unit 12 has a lid 14 on its upper side, which can be folded up to the rear, and a control panel 16 . The control panel can also be arranged elsewhere.

Furthermore, two hose connections B and C are provided on the washing unit 12 , to which two hoses 22 are connected.

The hose 22 connected to the hose connection B is connected to a valve 24 arranged approximately on the bottom, the other hose 22 is connected to an inlet 26 of a container 28 arranged on the top.

A second, in its outer dimensions identical container 28 'is also seen with a tap 24 ' and an inlet 26 'ver.

A cleaning liquid 40 or a cleaning or rinsing liquid 40 'are contained in the containers 28 , 28 '.

In the container 28 , a heating device 29 a is indicated schematically, which can serve to heat the cleaning liquid 40 existing in the container 28 .

In the container 28 ', a stirring device 29 b is shown schematically, which can be used to stir the cleaning liquid 40 ' contained in the container 28 '.

However, both containers 28 , 28 'can each be equipped with a heating device 29 a and / or a stirring device 29 b.

A schematic representation of the interior of the washing unit 12 is shown in FIG. 2.

The washing unit 12 has a washing room 30 , the bottom 32 of which is inclined like a drain and opens into a filter insert in which a removable filter 34 is inserted.

Below the washroom 30 there is a boiler room 36 , in the cleaning liquid 40 up to a cleaning liquid speed level 38 can be filled. In the boiler room 36 heating coil 42 are provided, which can heat the cleaning liquid 40 filled in the boiler room 36 .

The heating chamber 36 is connected to the hose connection B via an inlet pump 44 and to the hose connection C via an outlet pump 46 .

Furthermore, a spray pump 48 is provided, which is connected to a spray supply system A and promotes cleaning fluid to spray devices to be described in more detail.

Instead of the illustration shown, in which the pump 44 supplies cleaning liquid into the heating chamber 36 , an arrangement can also be provided in which the cleaning liquid is pumplessly pumped into the washing unit 12 via a hose connection B ', preferably then into the washing room 30 , of where the cleaning liquid first flows into the heating room 36 , where it is heated.

A lower spray arm 50 and an upper spray arm 52 are arranged in the washroom 30 . The spray arms 50 , 52 are connected to the spray supply system A and rotatably mounted. Nozzles 53 are arranged on the spray arms so that the spray arms 50 , 52 are driven and thus rotated by recoil forces which are generated by the fact that cleaning liquid 40 is ejected via the nozzles 53 .

As is also shown in FIG. 3, two longitudinal spray devices 54 are provided on opposite sides of an upper area of the washroom 30 .

Each of the longitudinal spray devices 54 has a multiplicity (nine in the illustrated embodiment) of individual spray devices 56 . The spray devices 56 are connected via the longitudinal spray device 54 to the spray supply system A, respectively. In the longitudinal spray device 54 supplied cleaning liquid is supplied to each of the spray devices 56 , each having a nozzle 57 .

The nozzles 57 of the spray devices 56 of each longitudinal spray device 54 are all arranged at somewhat different angles 58 . In general, the spray devices 56 all spray obliquely downwards, but as mentioned at different angles, with at least two adjacent spray devices 56 not each having the same angle 58 .

In the washroom 30 schematically indicated holding means 60 are also provided for parts to be cleaned, in such a way that the parts to be cleaned above the level 38 of the cleaning liquid 40 are kept in the washroom 30 .

The holding means 60 comprise a pair of holders 62 for two anilox rollers 64 , as shown in FIGS. 2 and 3.

Each anilox roller 64 generally includes end pins 66 at both ends, a gear 68 being releasably attached to an end pin 66 .

The bracket 62 includes a cross member 70 extending from one side wall of the washing chamber 30 to the other side wall, on which the bearing journal 66 rests without a gear 68 .

At the other end of the anilox rollers 64 , they rest with their ge-locked circumference on a narrow drive roller 72 , which is coupled via a shaft, not specified, to a motor 74 arranged outside the washroom 30 .

The cross member 70 and the drive rollers 72 are arranged so that the anilox rollers 64 are mounted approximately horizontally, in a position obliquely below and approximately parallel aligned to their respective longitudinal spraying device 54th

The bracket 62 for two anilox rollers 64 thus includes a cross member 70 , which may be provided with grooves, not specified, to accommodate the bearing journal, and two drive wheels 72 , which may be driven by a motor 74 and a traction means or by two motors 74 , The two anilox rollers 64 lie next to one another at approximately the same height.

The gear 68 is not removed from the journal 66 . In order to protect the gear 68 , which is usually mounted on the bearing journal 66 by means of a greased roller bearing, against splash water, a splash guard 76 is provided, the shape of which is shown in the side view in FIG. 4.

The splash guard 76 includes an approximately semicircular recess or notch 78 on its lower edge. The notch 78 engages over the journal 66 and thus protects the gear 68 against cleaning fluid from the spray devices 56 or the spray arm 52 .

In addition, corresponding baffles (not shown) can protrude from the associated rear wall of the washroom 30 , which also protect the gears 68 against splash water from the spray arm 50 .

At a height between the anilox rollers 64 and the lower spray arm 50 are two approximately parallel to the cross member 70 arranged further cross members 80 are arranged on which a cleaning basket 82 of mesh material for small parts 81 rests.

The small parts 81 are mainly sprayed with cleaning liquid 40 from below through the nozzles 53 of the spray arm 50 and from above through the nozzles 53 of the spray arm 52 .

In contrast, the anilox rollers 64 are mainly sprayed by the spray devices 56 at high pressure, an exposure to cleaning fluid 40 over the entire circumference of the ge anilox rollers 64 is achieved in that these are rotated by the drive rollers 72 .

In Fig. 5 is finally shown schematically that an optional bracket 84 can be used in the washroom 30 , with which a plurality of pressure plates 82 can be arranged in a parallel orientation in the washroom 30 hanging. The pressure plates 56 are then such that the spray devices 56 between the pressure plates 86 spray.

In operation, cleaning liquid 40 is first conveyed into the interior of the washing unit 12 via the tap 24 , the hose 22 and the hose connection B, either by gravity or by pump action. The cleaning liquid 40 may have been stirred well beforehand by the stirring device 29 b and / or previously heated by the heating device 29 a. Normally, the cleaning liquid 40 is heated in the boiler room 36 in any case by means of the heating coil 42 . Then the spray supply system A is supplied with the heating th cleaning liquid 38 via the pump 48 . The plurality of spray devices 56 spray onto anilox rollers 64 arranged in the wash room 30 , optionally also onto printing plates 86 arranged in the wash room 30 .

The spray arms 50 , 52 assist spray on the anilox rollers 64 or the printing plates 86 , but also on small parts 81 in the cleaning basket 82 .

After a comparatively short time, in the range of a few minutes, the pump 48 is switched off again. The cleaning liquid 40 collecting in the heating chamber 36 is pumped into the inlet 26 of the container 28 via the pump 46 .

The hoses 22 are then coupled to the second container 28 '. For this purpose, the hoses 22 can be provided with pluggable hose connectors.

In the second container 28 'there is usually a slightly less concentrated cleaning liquid or a pure rinsing liquid 40 '.

The rinsing or second cleaning process takes place in the same way as with the cleaning liquid 40 from the first loading container 28 .

After the rinsing or second cleaning liquid 40 'is pumped back into the second container 28 ', a washing process is ended and the parts of the flexographic printing machine, in particular the anilox rollers 64 , the small parts 81 and the printing plates 86 can be removed from the washroom 30 after the Lid 14 has been folded up.

In Fig. 6 is a sectional view of a container by loading 28 having an introduced via the inlet 26 of the container 28 led heating device is shown schematically 29 a '.

The heating device 29 a 'comprises a schematically indicated heating coil 90 which is mounted in a tube 92 which is open at least from below. The tube 92 is in turn mounted on a float 94 , for example made of polystyrene. The float 94 is designed so that the tube 92 with the heating coil 90 stored therein floats on the surface of a cleaning liquid filled in the container 28 .

The heating coil 90 is connected via a power supply cable 96 , which is guided through the inlet 26 , with a mains plug 98 . The heating device 29 a 'can therefore draw its energy from the normal power grid. It goes without saying that an on / off switch can optionally also be provided in the power supply line 96 . Furthermore, measures for short-circuit protection should be provided, for example a residual current device at the socket into which the power plug 98 is inserted. However, these protective measures can also be integrated into the heating device 29 a '.

The heater 29 a 'can be inserted into any of the containers 28 , 28 ' and put into operation as required.

Claims (17)

1. A method for cleaning parts ( 64 ; 81 ; 86 ) of printing machines, in particular of anilox rollers ( 64 ) of flexographic printing machines, by means of a cleaning liquid ( 40 ), in which at least one anilox roller ( 64 ) above a level ( 38 ) one Cleaning liquid ( 40 ) in a washing room ( 30 ) is driven in rotation and sprayed with the cleaning liquid ( 40 ), characterized in that the cleaning liquid ( 40 ) by means of at least five spray devices ( 56 ), which are essentially along an axis parallel to the anilox roller axis are arranged, sprayed at different angles ( 58 ) onto the anilox roller ( 64 ), such that at least two adjacent spray devices ( 56 ) are not directed at the same angle ( 58 ) onto the anilox roller ( 64 ). 2. Device ( 10 ) for performing the method for cleaning parts ( 64 ; 81 ; 86 ) of printing presses, in particular special anilox rollers ( 64 ) of flexographic printing presses, by means of a cleaning liquid ( 40 ), with a washroom ( 30 ) in which at least one part to be cleaned ( 64 ; 81 ; 86 ) comes into contact with the cleaning liquid ( 40 ), with holding means ( 60 ) which comprise drive means ( 72 , 74 ) by at least one anilox roller ( 64 ) above a level ( 38 ) the cleaning liquid ( 40 ) in the wash room ( 30 ) to rotate about its roller axis, and with spray devices ( 56 ) spraying the cleaning liquid ( 40 ) onto the surface of the anilox roller ( 64 ), characterized by at least five fixed spray devices ( 56 ), which are arranged essentially along an axis parallel to the Ra sterwalzenachse and spray the cleaning liquid speed ( 40 ) at different angles ( 58 ) on the Ra sterwalze ( 64 ) , such that at least two adjacent spray devices ( 56 ) are not directed at the angled roller ( 64 ) at the same angle ( 58 ). 3. Cleaning device according to claim 2, characterized in that the drive means ( 72 , 74 ) have a narrow drive roller ( 72 ) on which the anilox roller ( 64 ) rests. 4. Cleaning device according to claim 3, characterized in that the anilox roller ( 64 ) rests on the drive roller ( 72 ) with its rasterized circumference. 5. Cleaning device according to one of claims 2-4, characterized in that in the wash room ( 30 ) a splash guard ( 76 ) is provided, which is shaped and arranged so that a roller on a bearing pin ( 66 ) of the grid ( 64 ) attached drive wheel ( 68 ) is splash-proof. 6. Cleaning device according to one of claims 2-5, characterized in that the axis of the spray devices ( 56 ) is arranged obliquely above the anilox roller ( 64 ). 7. Cleaning device according to one of claims 2-6, characterized in that at least eight fixed spray devices ( 56 ) are provided for each anilox roller ( 64 ) in the wash room ( 30 ). 8. Cleaning device according to one of claims 2-7, characterized in that the holding means ( 60 ) are laid out to hold two anilox rollers ( 64 ) side by side in the wash room ( 30 ). 9. Cleaning device according to one of claims 2-8, characterized in that the holding means ( 60 ) have a Rei nigungskorb ( 82 ) made of mesh material in which small parts ( 81 ) in the washroom ( 30 ) above the level ( 38 ) of Cleaning liquid ( 40 ) are kept. 10. Cleaning device according to one of claims 2-9, characterized in that the holding means ( 60 ) have brackets ( 84 ) to flat pressure plates ( 86 ) in the wash room ( 30 ) above the level ( 38 ) of the cleaning liquid speed ( 40 ) to hang hanging. 11. Cleaning device according to one of claims 2-10, characterized in that a rotatable spray chamber ( 50 , 52 ) is arranged above and / or below the part ( 64 ; 81 ; 86 ) held in the wash room ( 30 ), which is preferred as a plurality of obliquely to the arm axis arranged nozzles ( 53 ) which are directed to the part ( 64 ; 81 ; 86 ) and whose recoil force rotates the spray arm ( 50 ; 52 ) during the spraying process. 12. Cleaning device according to claim 11, characterized in that the cross section of the nozzles ( 57 ) of the fixed spraying device ( 56 ) is smaller than that of the spray arms ( 50 , 52 ). 13. Cleaning device according to one of claims 2-12, characterized by a container ( 28 ) with a first cleaning liquid ( 40 ) and a container ( 28 ') with a second cleaning or rinsing liquid ( 40 '), such as an inlet line system (B) and an outlet line system (C), the line systems (B, C) optionally being connectable to the first or the second container ( 28 , 28 '). 14. Cleaning device according to claim 13, characterized in that the containers ( 28 , 28 ') are seen as respective separa te elements outside of the washing room ( 30 ) and the line systems (B, C) containing washing unit ( 12 ). 15. Cleaning device according to claim 14, characterized in that the line systems (B, C) with the containers ( 28 , 28 ') can be connected by means of two hoses ( 22 ). 16. Cleaning device according to one of claims 13-15, characterized in that at least one of the containers ( 28 , 28 ') has a stirring device ( 29 b) and / or a heating device ( 29 a). 17. A cleaning device according to claim 16, characterized in that the heating device ( 29 a ') has a heating element ( 90 ) mounted in a float ( 94 ) and can be inserted via an inlet ( 26 ) of the container ( 28 , 28 ').