EP1586450A1 - Dispositif de pulvérisation de produit fluide - Google Patents

Dispositif de pulvérisation de produit fluide Download PDF

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Publication number
EP1586450A1
EP1586450A1 EP05004422A EP05004422A EP1586450A1 EP 1586450 A1 EP1586450 A1 EP 1586450A1 EP 05004422 A EP05004422 A EP 05004422A EP 05004422 A EP05004422 A EP 05004422A EP 1586450 A1 EP1586450 A1 EP 1586450A1
Authority
EP
European Patent Office
Prior art keywords
fluid
spray device
spray
cylinder
fluid chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05004422A
Other languages
German (de)
English (en)
Inventor
Johann Zierler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baldwin Germany GmbH
Original Assignee
Baldwin Germany GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baldwin Germany GmbH filed Critical Baldwin Germany GmbH
Publication of EP1586450A1 publication Critical patent/EP1586450A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • B41F35/06—Cleaning arrangements or devices for offset cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3402—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to avoid or to reduce turbulencies, e.g. comprising fluid flow straightening means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/20—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/20—Wiping devices
    • B41P2235/23—Brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/20—Wiping devices
    • B41P2235/24—Wiping devices using rolls of cleaning cloth
    • B41P2235/242—Unwinding the cleaning cloth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/20—Wiping devices
    • B41P2235/24—Wiping devices using rolls of cleaning cloth
    • B41P2235/246—Pressing the cleaning cloth against the cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/26—Spraying devices

Definitions

  • the invention relates to a fluid spray device, comprising a channel-shaped fluid chamber, the at least one fluid inlet and in a Spray area having a plurality of spray openings.
  • the invention relates also a pressing element for pressing a cleaning cloth to a Printing press cylinder and also a washing bar for cleaning a Cylinder of a printing press.
  • the invention relates to a method for spraying a liquid using the fluid spraying device according to the invention and further various uses of fluid spraying device according to the invention for moistening different parts a printing press.
  • Fluid spray devices referred to in the preamble of claim 1 Art especially in printing machines for spraying a cleaning cloth in a washing bar assembly, for spraying a cylinder of a Printing machine and used to spray a brush roller.
  • a washing bar is used to clean a cylinder in a printing press used.
  • offset printing machines is in particular a cleaning of the Plate cylinder, blanket cylinder and impression cylinder of time necessary to achieve good print quality.
  • the Cleaning further ink-carrying or fountain solution-leading cylinder by means of a washing bar or other cleaning device may be required.
  • the printing operation is the Interrupt printing press.
  • the cleaning cloth e.g. when Cleaning nonwoven or non-woven material may be formed is becoming common from a supply roll, between the cylinder to be cleaned and a Pressing element passed, led to a take-up roll.
  • the cleaning cloth by the pressure element to the Pressed relative to the washing bar cylinder surface pressed.
  • the Cleaning cloth and the pressure element extend over the entire, too cleansing length of the cylinder.
  • the rotation of the cylinder is the entire, to be cleaned lateral surface of the cylinder of the cleaning cloth painted over.
  • the cleaning cloth with a suitable Cleaning fluid moisturizes to an effective distance of Impurities, color residues and paper dust to achieve.
  • Cleaning fluids are generally water and solvents used, the cumulatively or alternatively applied to the cleaning cloth. While Water for removal of water-soluble contaminants, such as For example, paper dust is used, the solvent is used for removal oily contaminants, such as paint residues.
  • the pressure element is made of a wick absorbent material and a corresponding holder for the wick from time to time the wick is moistened with a solvent becomes.
  • the solvent is applied to the cleaning cloth transferred and also the solvent-saturated cleaning cloth to the Pressed cylinder surface to be cleaned.
  • a supply pipe for the cleaning liquid which extends over the length of the cleaning area and the one Wears moisturizing felt as a detergent storage.
  • the moistening felt becomes moistened with cleaning fluid via outlet openings in the supply tube and is briefly pressed against the cleaning cloth.
  • EP 0 025 806 B1 US 4 344 361 and WO 94/06633 show embodiments a washing bar in which the cleaning liquid on the Cleaning cloth is sprayed before the cleaning cloth to the Pressing element is promoted.
  • this is a tube with a plurality of openings provided at one end to a Liquid supply line is connected. The tube is in cleaning cloth conveying direction arranged in front of the pressure element.
  • EP 0 916 492 B1 shows a device for dispensing fluids, which a series of means for dispensing the fluids and a supply line for having the donor agent.
  • the supply line branches through a Variety of forks in individual end branches on.
  • the bifurcations are each Y-shaped and there are so many bifurcations provided that each Donation hole is supplied by a single end branch.
  • the GB 569 446 which is a device for applying paint to a cylinder describes, shows a manifolded supply system.
  • the invention is based on the object, a fluid spray device, especially for a washing bar to develop, which is inexpensive and a uniform distribution of fluid over the entire length of the ensures cleansing cylinder.
  • a simple cleaning of the Fluid spray device especially when acting as a separate spray tube is designed to be possible.
  • a cleaning of the fluid spray device must be carried out from time to time as lime deposits and others Settle contaminants in the fluid spray device, causing the Flow behavior is adversely affected.
  • fluid spray devices are used to rotate one Cylinder directly, over the entire length or a length section, too spray.
  • This humidifying of a cylinder can be a cleaning of the Cylinders serve by using a suitable cleaning fluid, so that impurities are soaked.
  • To remove the Impurities can be a squeegee that is used to scrape off the contaminants the lateral surface is turned on, or another cleaning element for Removal of impurities may be provided.
  • such fluid spray devices used in offset printing machines to dampening water Spray directly onto a dampening roller.
  • Such fluid spray devices for spraying a cylinder are also Under the objective of optimizing that they are inexpensive to manufacture and easy to clean, and a uniform fluid distribution over the Ensure the entire length of the cylinder to be cleaned.
  • a fluid spray device for spraying a brush roller. With the moistened brush roller is to be cleaned Cylinder of a printing press overlined. Also for this application is one to optimize appropriate fluid spray device such that they inexpensive and easy to clean, and a uniform fluid distribution provides over a desired length of the brush roller.
  • Subclaims 2 to 19 refer, in particular a pressure element for Pressing a cleaning cloth to a printing machine cylinder, a Washing bar, a method for spraying a liquid and uses a fluid spray device in a printing machine.
  • a fluid spray device has a channel-shaped Fluid chamber on.
  • the fluid chamber In the fluid chamber are at least one fluid inlet and in a spray area a plurality of spray openings provided. apart of the spray openings and the at least one fluid inlet is the Closed fluid chamber at least in the operating state, so that through Introducing fluid into the at least one fluid inlet pressure within the Build fluid chamber. Due to the channel shape, the fluid chamber has Relative to their length a small median diameter, which is transverse to the Length of the fluid chamber is measured. Under spray holes are any kind understood by openings, z. B. also nozzles or valves. With fluid is Liquid of any kind, compressed gas and compressed air called.
  • the invention is based on the essential idea that a more uniform spray distribution can be achieved when the Flow resistance within the fluid chamber, in particular in Spray range, compared to a simple piece of pipe is increased and if a higher pressure for introducing the fluid into the fluid inlet is adjustable.
  • a higher pressure for introducing the fluid into the fluid inlet is adjustable.
  • the problem on that for manufacturing reasons the flow cross-section the fluid chamber is relatively large and also the spray openings relatively large were formed so that a higher pressure for introducing fluid is not set.
  • an elongated core insert is mounted within the fluid chamber.
  • the Core insert extends at least over half the length of the Spray area.
  • the core insert extends substantially over the entire length of the Spüh Schemes.
  • the elongated core insert can have any structure or design by which the Flow cross-section of the fluid chamber is reduced. In the area of Kernnices, the fluid chamber thus has a reduced Flow cross-section on. Furthermore, a higher flow resistance occurs in Area of Kernnices on, since fluid on both an inner wall of the Fluid chamber and must flow past the surface of the core insert.
  • the Fluid spray device at least at one end of the fluid chamber a closable opening through which the elongated core insert into the Fluid chamber is insertable. For cleaning, the core insert through this Be removed, and the interior of the fluid chamber is through the Opening accessible for cleaning.
  • a further increase in the flow resistance and a positive on the fluid distribution impacting flow control in the area of Core use is achieved when the elongated core insert one to the outside having protruding surface structuring.
  • the surface structuring must be designed so that they do not obscure the spray openings or closed.
  • a similar effect is achieved when the Inner wall of the fluid chamber in the spray area or in the area of Core insert has an inwardly projecting surface structuring.
  • the surface structuring is intended to influence the flow of a fluid, which flows between the core insert and the inner wall of the fluid chamber, serve.
  • the surface structuring can take the form of elevations or Wells be formed. Their height or depth is relative to the Adjusting the gap between the core insert and the fluid chamber.
  • the Width of the individual elevations is preferably smaller than the diameter the spray holes.
  • influencing the flow is meant that the otherwise largely linear fluid flow along the fluid chamber the surface structuring is deflected such that an essential Part of the flow is also transverse to the longitudinal direction of the fluid chamber.
  • the protruding outward extends Surface structuring of the core insert after all core circumference sides up to to the inner wall of the fluid chamber.
  • the stands Surface structuring in all directions perpendicular to the Longitudinal extent of the fluid chamber extend to the inner wall of the Fluid chamber on. This is in the range of core use between the Core insert and the fluid chamber through the surface structuring created at least one single channel, so that fluid along the at least a single channel is performed.
  • the core insert is as Threaded rod formed. It does not matter which thread type is used and whether it is a catchy or a multi-course Thread is.
  • the thread grooves form a sufficient flow cross-section, especially if the Thread crests up to the inner wall of the fluid chamber or to the core insert queue. Furthermore, the thread crests are narrower than the diameter of the Be spray holes.
  • Preferred materials from which the fluid chamber at least partially is formed are metal, rubber or preferably plastic, in particular Elastomer.
  • extends the elongated core use is at least over 90% of the length the spray area.
  • the core insert extends over the entire length of the spray area.
  • a uniform Fluid distribution through multiple fluid inlets supported As also described in GB 569 446, a uniform Fluid distribution through multiple fluid inlets supported.
  • at least two fluid inlets are provided, which are distributed over the length of the spray area.
  • the at least two fluid inlets evenly over the length of the spray area distributed so that over each fluid inlet the same number of spray holes is supplied.
  • the invention further relates to a pressure element, preferably a band-shaped pressing element, for pressing a cleaning cloth to a Cylinder of a printing press.
  • the pressing element is the part of a Waschbalkens designated, with which the cleaning cloth to the cleaning cylinder is pressed.
  • various Pressing known in which a fluid spray device according to the invention is integrable, or which are suitable as a fluid spray device according to the invention to be trained.
  • the pressing element can on a Be fastened to the holder, and be moved in a stamping manner into the setting position, as shown for example in EP 0 916 492 B1 and WO 94/06633 is.
  • the band-shaped pressure element of an elastomeric membrane be formed, which is clamped at the edges in a corresponding holder is as shown in EP 0 636 476 A1.
  • the pressing element can also, as in the US 4,344,361, from an acted upon by an internal pressure consist elastically deformable hollow body.
  • the Pressure element similar to that described in EP 0 936 067 B1, from a band-like elastomer formed, which at the opposite Longitudinal edges in a holder of a washing bar can be clamped such that it is arched out towards the cylinder to be cleaned.
  • At the longitudinal edges is preferably provided a structure that facilitates clamping. Behind the bulge may be a free space, for example in the form of a chamber, the deformations of the pressing element in the direction of the washing bar permits.
  • washing bars is essential to the objective of a Space saving shaped, so that as compact a design as possible Washing bar is sought.
  • a space saving succeeds by a Pressing element, which is designed as a fluid spray device according to the invention or in which a fluid spray device according to the invention is integrated.
  • the Channel-shaped fluid chamber is substantially parallel to the Longitudinal extension of the preferably band-shaped pressure element.
  • Andschreibieri having a fluid spray device are For example, in DE 195 16 422 C2.
  • the spray openings of the fluid spray device are on one formed first side of the pressure element.
  • the preferably band-shaped Pressure element is clamped or installed in the washing bar, that the spray holes are directed to the cylinder to be cleaned.
  • the at least one fluid inlet preferably on a second side of the Andschreibimplantations arranged. The second side is the washing bar facing side, from which fluid feeds to the at least one Lead fluid inlet.
  • the Pressing element over its entire length on the first page Andschreib-surveys on, through which the cleaning cloth to be cleaned Cylinder is pressed.
  • These pressure elevations are preferably in shape formed by lips, which extend on both sides of the spray openings over the length of the pressing element extend.
  • the pressing element is at least partially formed of plastic or elastomer.
  • the invention further relates to a washing bar for cleaning a cylinder a printing press, as already described above.
  • the Washing bar according to the invention has an inventive pressing element on, for pressing a cleaning cloth to the cylinder.
  • the pressing can be done by the pressing element with its corresponding holder is moved from a home position to a salaried position as it is for example, in EP 0 916 492 B1 and WO 94/06633 is shown.
  • this Pressing element formed from an elastically deformable hollow body, so can the pressing by applying the pressing member with an internal pressure take place, as shown for example in US 4,344,361.
  • the entire washing bar as shown in WO 01/51284 A2, for Pressing be moved from a home position to a pitching position.
  • the washing bar preferably has at least one fluid supply line for the Pressing element, which for fluid supply to the fluid spray device serves. Further, a holding device for holding the pressing member provided and a cloth guiding device for guiding the Cleaning cloth over the pressure element. Preferably, the Holding device designed as a clamping device in which the Pressing element is clamped.
  • the invention also relates to a method for spraying a liquid below Use of a fluid spray device according to the invention, wherein the at least one fluid inlet is connected to a fluid supply line, the optionally with a liquid source or a compressed gas source, in particular a compressed air source, is connectable.
  • a liquid source or a compressed gas source in particular a compressed air source
  • liquid will leak out the liquid source at least until introduced into the fluid supply line.
  • the liquid source is separated from the fluid supply line and the compressed gas source connected to the fluid supply line.
  • the compressed gas source may be formed as a compressed air reservoir.
  • a spray device for Spraying a cylinder of a printing press, spraying a Brush roller of a printing machine and for spraying a cleaning cloth a washing bar provided with fluid.
  • a fluid spray device 2 is shown, the fluid chamber 4 left and on the right side has a closable opening 6.
  • the lockable Openings 6 are each closed by a plug 8.
  • the Fluid chamber 4 is provided with a plurality of spray openings 10, the along a row in a spray area 12 of the fluid spray device 2 are arranged.
  • Within the channel-shaped fluid chamber 4 extends elongate core insert 14, through which the flow cross-section within the fluid chamber 4 is reduced.
  • From the core insert 14 extend lateral spacers 16 to the outside, which prevent the core insert 14th directly rests on the spray openings 10.
  • a fluid conveyor 26 is shown, through which fluid in the Fluid supply line 24 is promoted.
  • the fluid conveyor 26 has a Liquid container 28, which serves as a liquid source. From one Compressed gas source 30 performs a first compressed gas line 32 in the Liquid container 28 to liquid 34 in the liquid container 28 under To put pressure.
  • a second compressed gas line 36 leads from the compressed gas source 30 in a front part 38 of the fluid supply line 24, wherein the front part 38th the more remote from the fluid inlets 18 portion of the fluid supply line 24 is. In the front part 38 of the fluid supply line 24 also opens a liquid feed line 40 from the liquid container 28th
  • a supported by compressed gas or compressed air promotion of liquid 34 of the liquid container 28 takes place up to the spray openings 10
  • a valve 42 in the first compressed gas line 32 is in open Position, while a valve disposed in the liquid supply line 40 44 is in the closed position, so that the liquid 34 in the Liquid container 28 is pressurized.
  • a valve 46 in the second Compressed gas line 36 is also closed.
  • the compressed air causes the liquid to enter the fluid supply line 24 was inserted, pressed into the fluid chamber 4 and out of the Spray holes 10 expressed.
  • the valve becomes 46 closed in the second compressed gas line 36 and the cycle can again be initiated.
  • the plug 8 can be removed and the core insert 14 are removed from the fluid chamber 4, as shown in Fig. 2.
  • Fig. 3 is a broken sectional view of a fluid chamber 4 with Core insert 14 and shows an embodiment of the fluid spray device 2, at which the core insert 14 is a surface structuring in the form of protruding bristles or extensions 48 has.
  • the outwardly projecting Bristles 48 are on all core peripheral sides up to an inner wall 50 of the Fluid chamber 4 on.
  • the thickness of the individual bristles 48 is substantially smaller as the diameter of the spray openings 10.
  • the core insert 14 is as Threaded rod formed.
  • the thread crests 52 are at all Kernilescharge up to the inner wall 50 of the fluid chamber 4 at.
  • By the catchy thread of the threaded rod with its thread grooves 54 is a Single channel between the core insert 14 and the inner wall 50 of Fluid chamber 4 predetermined, in which liquid or compressed gas is guided along.
  • the Inner wall 50 threads, on the inner wall 50 is thus a Internal thread formed.
  • the inwardly projecting thread crests 56 of the Internal threads are on all core peripheral sides up to the core insert 14 so that substantially the same fluid guide as in the in Fig. 4th shown embodiment is achieved.
  • a pressure element 58 for a washing bar is according to an advantageous Embodiment of the invention as a belt-shaped pressure element made of elastomer formed, and is in a bent state in a holder 60 of a Washbeam, as shown in Fig. 7 and Fig. 8, clamped.
  • the holder 60 is placed in a washing bar installed, and the pressing member is together with the holder 60th between a starting position and an employed position back and forth forth.
  • the holder 60 extends substantially the same Length as the pressure element 58 and has on both sides of the upper and lower clamping bars 62, 64 and a central support block 66.
  • the Pressing element 58 has a structuring at its two longitudinal edges 68 70, which supports a fixed fixation of the pressing element. To the Clamping the pressure element 58 along its longitudinal extension 72nd kinked and arched over the central support block 66. The two longitudinal edges 68 of the pressure element are then between the upper and lower Clamping bars 62, 64 and the central support block 66 clamped. Of the Free space 73 below the curved pressure element 58 allows a elastic impressions of the pressure element 58 in the direction of the holder 60, when the pressing element is turned on a cylinder to be cleaned.
  • the pressure element forms a fluid spray device 2, as with reference to Figures 1 to 6 has been described.
  • the channel-shaped fluid chamber 4 extends parallel to the longitudinal extent 72 of the pressing member 58 and the spray openings 10 are aligned in a spray direction 74 away from the holder 60 has.
  • the spray openings 10 are parallel to one another in a row the longitudinal extent 72 on the front side of the pressing element 58 in Essentially centered over its entire length.
  • the Andschreibelement 58 pressing ridges in the form of two lips 76 which is on both sides of the spray openings 10 over the entire length of the pressure element 58 extend.
  • the Andschreib surveys ensure that the spray openings 10 do not press directly on the cleaning cloth, but from this also in an employed position of the pressing member 58 are spaced.
  • On the Rear of the pressure element 58 are two fluid inlets into the fluid chamber provided (not shown), in which two fluid feeds 20 open.
  • a fluid supply line 24 which opens into a branch piece 22.
  • the Branch piece 22 guides the two fluid feeds 20 to the two fluid inlets the channel-shaped fluid chamber.
  • the Fixing the holder 60 is used in a washing bar.
  • Fig. 9 shows schematically a washing bar 80, which is in front of a rotating Cylinder 82 is arranged a printing press.
  • the washing bar 80 is a supply roll 84 and a take-up roll 86 for a cleaning cloth 88 shown.
  • the washing bar further comprises a holder 60, from which a Inventive pressure element 58 is held.
  • the invention Andrückelement corresponds to the embodiment, as with reference to the Figures 7 and 8 is described.
  • the holder 60 with the pressure element 58 is by means of a movement device 90 along an arrow direction 92nd between a salaried and a starting position reciprocable.
  • the cleaning cloth 88 is supplied from the supply roller 84 via the pressing member 58 guided on the take-up roller 86, wherein the 'direction of movement of the Cleaning cloth 88 with or against the rotational movement of the cylinder 82nd runs.
  • the pressure element 58 fulfills both the task, the cleaning cloth 88 in an engaged position (not shown) against the cylinder 82 press, as well as the cleaning cloth on the spray openings 10 of the fluid spray device 2 over the length of the pressing member 58 evenly moisturize.
  • a fluid spray device according to the invention is advantageous 2 for spraying a rotating cylinder 82 of a printing press, such as For example, it is shown in FIG. 10.
  • the spray holes 10 are on the Lateral surface of the cylinder 82 directed.
  • a squeegee 94 is provided, which in a position the soaked contaminants from the cylinder 82 scrapes.
  • a drip tray 96 below the squeegee 94 is a drip tray 96, in which the falling impurities are caught.
  • the Fluid spray device 2 according to the invention thus forms together with the Doctor 94, a cleaning device for the cylinder 82nd
  • the fluid spray device 2 for spraying a Brush roller 98 used.
  • the brush roller 98 is used to clean one rotating cylinder 82 of a printing press and is used to perform a Cleaning made to the cylinder 82 and with or against the Direction of rotation of the cylinder 82 is rotated.
  • the spray openings 10 of the fluid spray device 2 are directed to the brush roller 98 so that during a cleaning process, the brush roller 98 is sprayed.
  • Below the Brush roller 98 is for catching the falling contaminants arranged a drip pan 100. Through the core insert 14 within the Fluid chamber 4 becomes a uniform fluid distribution over the entire length achieved the fluid chamber 4.
  • FIG. 12 shows a Washing bar 80, which is similar to the washing bar of Fig. 9 is constructed, and therefore will not be explained in detail.
  • a Fluid spray device 2 arranged in the Substantially over the entire length of the washing bar 80 extends.
  • a deflecting element 102nd provided, through which the cleaning cloth 88 in front of the fluid spray device 2 is stretched.
  • Fig. 13 shows schematically the use of a fluid spray device according to the invention 2 in an offset printing machine for spraying a Dampening roller 104.
  • the fluid spray device 2 extends over the entire length of the dampening roller 104 and ensures a uniform Humidification of the dampening roller 104 with dampening water.
  • the spray openings 10 in different sizes be formed, thereby the spray distribution along the spray area 12th to influence specifically.
  • the diameter of the Kernnices 14 and the surface structuring over the length of the spray area 12 vary.
  • the surface structuring arises a variety of design options. It should be noted that Although the surface structuring should influence the flow of a fluid, However, to suppress excessive turbulence of the fluid to a Avoid foaming as much as possible.
  • the core insert as a threaded rod is formed, in which in the longitudinal direction of the threaded rod has a groove recessed, in particular milled out, so that an overflow channel in Longitudinal direction of the fluid chamber is formed.
  • the groove can be in the form of a slit, secant or sector-shaped recess be formed, and is preferably oriented such that the overflow channel is not directly before lies the spray openings.
  • the taps are standing, apart from that Peripheral section of the overflow channel, preferably at all Kernilesclam to the inner wall of the fluid chamber on.
  • the channel-shaped fluid chamber 4 is linear formed, for certain applications, a curved fluid chamber. 4 however, be beneficial. Furthermore, the closable openings on End of the fluid chamber itself form a fluid inlet.
  • Liquid source can not only be pressurized as shown Liquid container 28 can be used, but also any other Container from which liquid is conveyed, or in the simplest form also a water pipe.
  • a spraying of liquid through the fluid spray device according to the invention is not only by the method according to the invention, but also feasible in a conventional manner by the at least one fluid inlet is connected to a liquid source, and the liquid through the fluid pressure is forced out of the spray holes.
  • a pressing element 58 which is the fluid spray device 2 according to the invention is formed, is not on the illustrated embodiment of the pressing member 58 limited, but is also in other known pressing elements advantageous.
  • a washing bar 80 may be a pressure element 58 according to the invention have, and alternatively or additionally, a separate inventive Fluid spray device 2 in front of the pressure element 58, as shown in FIG. 12 is shown.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP05004422A 2004-04-17 2005-03-01 Dispositif de pulvérisation de produit fluide Withdrawn EP1586450A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004018735A DE102004018735A1 (de) 2004-04-17 2004-04-17 Fluid-Sprühvorrichtung
DE102004018735 2004-04-17

Publications (1)

Publication Number Publication Date
EP1586450A1 true EP1586450A1 (fr) 2005-10-19

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ID=34934001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05004422A Withdrawn EP1586450A1 (fr) 2004-04-17 2005-03-01 Dispositif de pulvérisation de produit fluide

Country Status (2)

Country Link
EP (1) EP1586450A1 (fr)
DE (1) DE102004018735A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102896894A (zh) * 2012-10-15 2013-01-30 北京印刷学院 一种用于橡皮滚筒清洗装置的喷洒机构
DE102011086776A1 (de) 2011-11-22 2013-05-23 Koenig & Bauer Aktiengesellschaft Sprührohr

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DE2826135A1 (de) * 1978-06-15 1979-12-20 Baldwin Gegenheimer Gmbh Gummituchwaschvorrichtung
EP0570727A1 (fr) * 1992-05-18 1993-11-24 Baldwin-Gegenheimer GmbH Dispositif de lavage pour machines à imprimer
WO1995007182A1 (fr) * 1993-09-08 1995-03-16 Jimek International Ab Tube de pulverisation pour dispositif de lavage de blanchet d'une presse d'impression
DE19830488A1 (de) * 1997-12-10 1999-06-17 Heidelberger Druckmasch Ag Reinigungseinrichtung für Zylinder von Druckmaschinen
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EP1361058A2 (fr) * 2002-05-10 2003-11-12 T.G.C. S.r.l. Procédure d'impregnation, avec un détergent liquide, de tissus pour le nettoyage de cylindres rotatifs de haute précision, en particulier des machines d'impression, et arbre pour sa mise en oeuvre

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DE102011086776A1 (de) 2011-11-22 2013-05-23 Koenig & Bauer Aktiengesellschaft Sprührohr
CN102896894A (zh) * 2012-10-15 2013-01-30 北京印刷学院 一种用于橡皮滚筒清洗装置的喷洒机构
CN102896894B (zh) * 2012-10-15 2015-08-12 北京印刷学院 一种用于橡皮滚筒清洗装置的喷洒机构

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