EP0412984A1 - Obturateur reglable pour distributeur lineaire. - Google Patents
Obturateur reglable pour distributeur lineaire.Info
- Publication number
- EP0412984A1 EP0412984A1 EP19890905123 EP89905123A EP0412984A1 EP 0412984 A1 EP0412984 A1 EP 0412984A1 EP 19890905123 EP19890905123 EP 19890905123 EP 89905123 A EP89905123 A EP 89905123A EP 0412984 A1 EP0412984 A1 EP 0412984A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- orifices
- row
- shutter
- shutter according
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000011324 bead Substances 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 3
- 241000826860 Trapezium Species 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000001816 cooling Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013529 heat transfer fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
Definitions
- the invention relates to an adjustable shutter for a linear dispenser, more particularly intended for a product dispenser comprising a row of dispensing orifices, said shutter being housed inside the dispenser.
- Distributors of products which are in the form of ramps of varying length and in which the solid or fluid product to be dispensed is ejected by a longitudinal row of orifices provided in a wall of the dispenser.
- the sprayer for metallurgical heat treatment, it is necessary to be able to act on the distribution length of the spraying water, not so much to adapt it to the width of the sheet treated but rather to interrupt the jet on a part of the sheet. Indeed, when a sheet runs horizontally under a cooling jet in sheet extending from one edge to the other of the sheet, the edges or the edge zones are subjected not only to the flow of water coming directly ment of the sprayer which is plumb, but also with the running water which escapes from the central zone of the sheet. The cooling is my controlled and a lot
- REPLACEMENT SHEET more energetic than necessary. It was found that, in quite numerous cases linked, for example, to the thickness of the sheets, to the type of thermal treatment desired, it was necessary to avoid direct cooling of the edges by the jet, the caloric losses due to the medium ambient and runoff water sufficient to provide the desired cooling. As generally the widths of the sheets to be treated are variable, it is necessary to be able to interrupt the spray jet over at least a sufficient area corresponding to the width of the sheet edge which must not cool directly.
- the invention aims to produce an adjustable shutter, adaptable to a sprayer or distributor comprising a chamber receiving at one of its ends the product to be sprayed, said product being distributed through at least one row of orifices provided in a wall of the room.
- the adjustable shutter according to the invention is remarkable in that it consists of at least one drum, with an axis parallel to the slot or to the row of orifices of the dispenser, on the surface of which is fixed a sealing strip having at least one helical edge, said strip being capable by its helical edge, of closing at least part of the orifices of the dispenser by rotation of the drum carrying it.
- Figure 1 is a schematic view of the shutter according to the invention.
- Figure 2 is a partial sectional view of the shutter according to an exemplary embodiment of the invention.
- Figure 3 is a front view of the shutter rotation control device.
- Figure 4 is a sectional view along IV-IV of
- FIG. 5 is a sectional view along V-V of FIG. 2.
- Figure 6 is a top view of the shutter.
- Figure 7 shows, reduced to the same cross section, the winding angle of the sealing strip.
- the adjustable shutter 1 is more particularly intended to equip a sheet jet sprayer 2 comprising for example at its upper part, a water box 3 supplied with one of its ends 4, comprising in its upper wall 5, a slot or a row of orifices 6 (FIG. 2). .
- a sheet jet sprayer 2 comprising for example at its upper part, a water box 3 supplied with one of its ends 4, comprising in its upper wall 5, a slot or a row of orifices 6 (FIG. 2).
- These orifices allow the water to flow through a guiding device such as tubes, towards a slot forming, with pressurized air outlets, a spray head 7.
- the outlets are supplied via ducts air 8 receiving at one of their ends 9 the air under pressure.
- the shutter 1 is placed inside the water box 3 and parallel to the row of orifices 6.
- the shutter in the use example enva ⁇ ge, must symmetrically limit the length of distribution of the cooling water. Indeed, the sheet to be treated, the width of which can vary from 1.50 to 5 m, is always centered relative to the middle of the sprayers whatever its width.
- the aim is to adjust the length of the water distribution so that the edges of the sheet are not subjected to spraying.
- a fixed number of orifices is closed to interrupt the jet at least in a sufficiently large zone corresponding to the edge width to be preserved from direct jet cooling.
- the shutter is in the form of at least three elements: two elements
- REPLACEMENT SHEET end 10 and 11 comprising shutter means and a central element 12 or connecting shaft simply ensuring the transmission of movement between the two extreme elements.
- an adjustment device 13 allowing the choice of the length of distribution of the water according to the width of the sheet to be treated.
- FIG. 2 is a detailed partial view, in section, of the adjusting device 13 of the drum 10 and of its coupling with the connecting shaft 12 to the second drum 11.
- the drums 10 and 11 are held in cages 14 ( Figures 2 and 4) which are formed, according to the embodiment, of a lower beam 15 at the ends of which are fixed support parts 16, 17 provided with slides 18 , in which the bearings 19, 20 of the pins 21, 22 of the drums 10, 11 are capable of sliding vertically.
- the support parts 16, 17 bear on the side opposite to the beam, means of fixing 23 to the wall 5 of the water box 3.
- the cage 14 is positioned so that the geometric axis of the drum is parallel to the axis of the row of orifices 6 provided in the wall 5 of the water box 3.
- the drum carries on its surface a strip of tin - Frame 25 having at least one helical edge which, by rotation of the drum and bringing the strip into contact with the wall 5, is capable of closing at least part of the orifices 6 of the dispenser.
- the other edge of said strip is parallel to a generator of the drum.
- Such a strip appears, in development on a plane, substantially like a trapezoid-rectangle whose height
- REPLACEMENT T HE is equal to the length of the drum.
- the seal between the strip 25 and the wall carrying the orifices to be closed is obtained by pressure using a pusher member acting on the drum to move it in the plane of the axes of the orifices.
- the beam 15 of the cages carries in the plane defined by the axis of the drum and the axis of the row of orifices, the pusher member 26 consisting of an inflatable bead. After the shutter width has been adjustable, the bead is inflated and presses according to a generatrix of the drum which moves, thanks to the sliding bearings, towards the wall 5 by firmly applying the strip against the orifices.
- the sealing strip 25 has a constant width from one end to the other and is fixed to the wall of the drum according to a helix. Therefore, the strip allows the obturation of a determined number of orifices which delimits an obtu ⁇ ration area of determined width. This closure zone can be moved by rotation of the drum over almost the entire length occupied by the drum.
- a rotation control device 13 shown from the front in FIG. 3.
- This device essentially comprises an index button 27 moving in front of a marking dial 28 on which are also provided means for controlling inflation and deflation of the bead 26.
- the axis 29 of the button 27 is coupled to the journal 21 of the drum 10 by means of an Oldha seal 30 which allows the displacement of the axis of the drum relative to the axis of the button.
- the Oldham seal being a conventional device will not
- the coupling 31 of the pin provided at the other end of the drum with the connecting shaft 12 is formed, as known, by a flexible joint 32.
- the other end of the connecting shaft 12 is coupled with the drum 11 by a flexible seal similar to seal 32.
- the sealing strips 25 are fixed symmetrically on the drums 10 and 11 (FIG. 6).
- FIG. 7 shows, brought back on the same transverse plane of the drum 10, the position of the ends of the sealing strip 25.
- the angle of winding of the strip has been taken to be approximately 99 ° 5 for a roll length of 1.90 m.
- the shutter width is of the order of 700 mm .
- the arrow, traced on figure 6, indicates the direction in which it is necessary to turn the button 27 thus the roller to decrease the spraying width.
- the increase in this width is obviously obtained by a rotation in the opposite direction.
- the adjustment of the spray width is made deflated bead 26, that is to say, when the drums 10 and 11 are in a low position in their cages. This procedure eliminates the significant friction that could occur during adjustments and allows a better seal between the sealing strip and the area to be closed.
- the invention is not limited to a shutter for a laminar jet sprayer, but such a shutter can be used in any dispenser of fluids or
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
- Spray Control Apparatus (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Nozzles (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89905123T ATE94779T1 (de) | 1988-04-22 | 1989-04-20 | Verschlussvorrichtung fuer einen geradlinigen verteiler. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8805351A FR2630351B1 (fr) | 1988-04-22 | 1988-04-22 | Obturateur reglable pour distributeur lineaire |
FR8805351 | 1988-04-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0412984A1 true EP0412984A1 (fr) | 1991-02-20 |
EP0412984B1 EP0412984B1 (fr) | 1993-09-22 |
Family
ID=9365572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89905123A Expired - Lifetime EP0412984B1 (fr) | 1988-04-22 | 1989-04-20 | Obturateur reglable pour distributeur lineaire |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0412984B1 (fr) |
KR (1) | KR900700188A (fr) |
DE (1) | DE68909410T2 (fr) |
FR (1) | FR2630351B1 (fr) |
WO (1) | WO1989010204A1 (fr) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3146656A1 (de) * | 1981-11-25 | 1983-06-01 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | Vorrichtung zum kuehlen von flachem walzgut |
-
1988
- 1988-04-22 FR FR8805351A patent/FR2630351B1/fr not_active Expired - Lifetime
-
1989
- 1989-04-20 KR KR1019890702241A patent/KR900700188A/ko not_active Application Discontinuation
- 1989-04-20 DE DE89905123T patent/DE68909410T2/de not_active Expired - Fee Related
- 1989-04-20 EP EP89905123A patent/EP0412984B1/fr not_active Expired - Lifetime
- 1989-04-20 WO PCT/FR1989/000183 patent/WO1989010204A1/fr active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO8910204A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1989010204A1 (fr) | 1989-11-02 |
DE68909410T2 (de) | 1994-05-11 |
DE68909410D1 (de) | 1993-10-28 |
EP0412984B1 (fr) | 1993-09-22 |
KR900700188A (ko) | 1990-08-11 |
FR2630351B1 (fr) | 1990-08-31 |
FR2630351A1 (fr) | 1989-10-27 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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