EP4232215A1 - Modulares spritzbalkensystem zur selektiven kühlung und/oder schmierung von walzen - Google Patents
Modulares spritzbalkensystem zur selektiven kühlung und/oder schmierung von walzenInfo
- Publication number
- EP4232215A1 EP4232215A1 EP21794804.1A EP21794804A EP4232215A1 EP 4232215 A1 EP4232215 A1 EP 4232215A1 EP 21794804 A EP21794804 A EP 21794804A EP 4232215 A1 EP4232215 A1 EP 4232215A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blocks
- spray bar
- main
- spray
- bore
- 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
Classifications
-
- 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
-
- 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
- B21B45/0239—Lubricating
- B21B45/0245—Lubricating devices
- B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
- B21B2027/103—Lubricating, cooling or heating rolls externally cooling externally
-
- 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
- B21B45/0239—Lubricating
- B21B45/0245—Lubricating devices
- B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
- B21B2045/026—Lubricating devices using liquid lubricants, e.g. for sections, for tubes for tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
-
- 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
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
-
- 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
- B21B45/0239—Lubricating
- B21B45/0245—Lubricating devices
- B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
- B21B45/0251—Lubricating devices using liquid lubricants, e.g. for sections, for tubes for strips, sheets, or plates
Definitions
- Modular spray bar system for selective cooling and/or lubrication of
- the present invention relates to a modular spray bar system for the selective cooling and/or lubrication of rolls and/or rolling stock, in particular roll barrels, in a roll stand.
- Spray bars for applying a cooling and/or lubricating medium to the surface of rolls arranged in a roll stand are known in principle from the prior art. Such spray bars are designed individually for the respective roll stand and the rolling task and are made in one piece, so that an adaptation of the rolling stock and changing rolling tasks and/or a different type of plant always requires a complete replacement of these.
- DE 10 2009 040 876 A1 discloses a spray bar for cooling a roll arranged in a roll stand, which is made in one piece and is arranged in the roll stand so that it can pivot about a pivot axis parallel to the roll axis and allows individual cooling.
- US Pat. No. 4,247,047 discloses a spray bar with a one-piece base body which can be modularly equipped with differently designed nozzle plates in order to be able to react flexibly to changing rolling tasks.
- the present invention is therefore based on the object of further developing a spray boom in such a way that it can be easily adapted to changing rolling tasks and can be produced inexpensively and does not require any spare parts to be kept.
- the modular spray bar system according to the invention for the selective cooling and/or lubrication of rolls and/or rolling stock comprises at least one central connection block with at least one first fluid connection, which opens into a first main bore extending in the direction of a spray bar axis, which is part of a first main fluid channel of a spray bar and at least a first transverse bore extending transversely from the first main bore and opening into a first fluid exit port; at least two central extension blocks that can be connected to the central connection block, each of the central extension blocks having a first main bore which extends in the direction of the axis of the spray bar and which forms part of the first main fluid channel of the spray bar, and at least a first transverse bore which extends transversely from the first main bore and opens into a first fluid exit port; at least two outer extension blocks connectable to the central extension blocks, each of the outer extension blocks having a first main bore extending in the direction of the axis of the spray boom, which forms part of the first main fluid channel of the spray boom, and at least
- the completely modular spray bar system allows a solution tailored to the respective requirements of the roll stand and/or changing rolling task, in that the respective blocks can be individually assembled to form a spray bar. Since the system according to the invention comprises only four different types of blocks, series production of these is particularly cost-effective and does not require the respective customer to keep spare parts, so that additional storage costs can be saved.
- the modular design of the entire spray bar also allows for quick replacement if one or more blocks are worn out, without the entire spray bar having to be laboriously removed and serviced.
- each of the blocks has a second main bore which runs parallel to the first main bore and which in each case forms part of a second main fluid channel of the spray boom.
- each of the blocks selected from the series central connection block, central expansion block and outer expansion block comprises at least one second transverse bore, which extends transversely from the second main bore and opens into a second fluid outlet opening.
- the second main fluid channel has a larger cross-section than the first main fluid channel, via which the cooling and/or lubricating medium for the roller body cooling within the spray boom can be conveyed to the respective transverse bores and the subsequent fluid or coolant outlet openings.
- the cooling and/or lubricating medium can also be conveyed with the same or different pressures through the different channels, so that an adaptation to the rolling task to be performed in each case is ensured.
- the second main fluid channel can be fluidically connected to the first main fluid channel.
- the two main fluid channels are not fluidly connected to one another and that each of the outer connection blocks then comprises at least one third fluid connection, which opens into the second main bore. It is preferably provided here that the second main bore of each of the outer connection blocks is closed on one side.
- each of the blocks comprises at least one nozzle plate for accommodating spray nozzles.
- Each of the nozzle plates advantageously comprises at least two openings arranged one above the other, into which the spray nozzles for cooling and/or lubrication can be inserted. Provision is particularly preferably made for all nozzle plates to be standardized in terms of their dimensions, so that only one basic type of nozzle plate is required for the different blocks.
- the spray bar and the nozzles can be adapted to the corresponding cooling and/or lubrication requirements using spray nozzles of different designs, which are available in a large selection in terms of flow rate and spray characteristics.
- a single nozzle plate with the corresponding spray nozzles can be arranged on each of the blocks, with the exception of the central connection block. It is advantageously provided that the central connection block comprises two nozzle plates, each of the nozzle plates in turn comprising two openings for the spray nozzles arranged one above the other.
- each of the blocks comprises at least one integrated control valve, via which the individual spray nozzles and/or groups of spray nozzles can be controlled individually.
- Each of the blocks preferably has at least one connection hole for receiving a fastening element on its contact surfaces directed towards the neighboring blocks.
- the two outer connection blocks each have at least one connecting element for connecting the spray bar in the stand.
- the present invention also relates to the use of the spray bar system according to the invention to form a spray bar for the selective cooling and/or lubrication of rolls and/or rolling stock.
- FIG. 5 shows an embodiment variant of a spray bar assembled from the blocks.
- FIG. 1 shows an embodiment variant of a central connection block 1 for a modular spray bar system 2, which is provided for the selective cooling and/or lubrication of rollers (not shown).
- the central connection block 1 is designed essentially in the form of a cuboid building block in order to enable an individual and modular configuration. This and each of the other blocks can consist of metallic and/or non-metallic materials.
- the central connection block 1 comprises a fluid connection 3 on the back, which opens into a first main bore 4 .
- the central connection block 1 comprises a second main bore 5, which comprises a larger cross section. Both main bores 4, 5 extend along the axis of the spray bar and each form part of the medium supply to the respective spray nozzles (not shown).
- the central connection block 1 has four transverse bores 6, 7, 8, 9, with the two first transverse bores 6, 7 extending transversely from the first main bore 4 and the two second transverse bores 8, 9 extending transversely from the second main bore 5 and in a first and second, respectively Fluid outlet opening 10, 11, 12, 13 open, which are arranged at the front of the connection block 1.
- the central connection block 1 comprises two nozzle plates 14, 15 which are screwed to the connection block 1 at the front.
- Each of the nozzle plates 14, 15 is provided with two openings 16, 17, 18, 19 which are aligned with the respective fluid outlet openings 10, 11, 12, 13 and for receiving spray nozzles (not shown) are provided.
- FIG. 2 shows an embodiment variant of a central expansion block 20 which can be connected to the central connection block 1 .
- the central expansion block 20 also has a first main bore 21 extending in the direction of the axis of the spray bar and a second main bore 22 arranged parallel thereto, each of which forms part of the media supply to the spray nozzles.
- the central expansion block 20 comprises a first and a second transverse bore 23, 24, which each extend transversely from the first main bore 21 and the second main bore 22, respectively, and each open into a first and a second fluid outlet opening 25, 26, which are on the front side of the central Extension blocks 20 are arranged.
- the extension block 20 includes a nozzle plate 27, which is also attached to the front of the central extension block 20 via screw connections (not shown). Since all the nozzle plates of the spray bar system 2 are of the same design, the nozzle plate 27 also has two openings 28, 29 which are aligned with the respective fluid outlet openings 25, 26.
- FIG. 3 shows an embodiment variant of an outer extension block 30 which can be connected to the central extension block 20 .
- the outer extension block 30 also has a first main bore 31 extending in the direction of the axis of the spray bar and a second main bore 32, each of which forms part of the media supply to the spray nozzles.
- the outer extension block 30 includes a first and a second transverse bore 31, 32, each extending transversely from the the first main bore 31 and the second main bore 32 and each open into a first and a second fluid outlet opening 35, 36, which are arranged on the front side of the outer extension block 30.
- the outer extension block 30 comprises a nozzle plate 37 with two openings 38, 39 which are aligned with the respective fluid outlet openings 35, 36.
- FIG. 4 shows an embodiment variant of an outer connection block 43 which can be connected to the outer expansion blocks 33 to form the modular spray bar system 2 and forms distal end elements of the spray bar 22 .
- the outer connection block 43 has two fluid connections 44, 45 on the back, which open into a main bore 46 and a secondary bore 47, respectively.
- the two bores 46, 47 each form a final part of the channel for the media supply to the spray nozzles of the spray beam 22 and are therefore closed on one side.
- the outer connection block 43 in the embodiment variant shown here has no transverse bores and no nozzle plate.
- the outer connection block 43 comprises a fastening element, which is used to fasten the spray bar 22 in a frame (not shown).
- FIG. 4 shows an embodiment variant of an outer connection block 40 which can be connected to the outer extension blocks 30 to form the modular spray boom system 2 and forms distal end elements of the spray boom.
- the outer connection block 40 has a second and a third fluid connection 41 , 42 on the back, with the second fluid connection 41 opening in a first main bore 43 and the third fluid connection 42 in a second main bore 44 .
- the two main bores 43, 44 each form a closing part of a first or a second main fluid channel 45, 46 of the spray bar and are therefore closed on one side.
- the outer connection block 40 in the embodiment variant shown here has no transverse bores and no nozzle plate.
- FIG. 5 shows an embodiment variant of a spray bar 47 composed of the blocks 1, 20, 30, 40, which are braced together in a fluid-tight manner via one or more bracing element(s), not shown.
- the number of central and outer expansion blocks 20, 30 shown here relates to the embodiment variant shown in FIG. 5 and can vary depending on the desired width of the rolled stock.
- the spray bar 47 comprises a central connection block 1, three central extension blocks 20 arranged on each side of the connection block 1, followed by three outer extension blocks 30 arranged on both sides of the central extension blocks 20, and one each at the two distal ends of the spray bar 47 arranged outer connection block 40.
- the essential advantage of the modular spray bar system 2 according to the invention is that it provides a solution tailored to the respective requirements of the roll stand and/or changing rolling task.
- the respective blocks 1, 20, 30, 40 can be assembled individually to form the spray bar 47. Due to the only four different types of blocks 1, 20, 30, 40, the system 2 can also be produced particularly inexpensively and does not require the respective customer to keep spare parts, so that additional storage costs can be saved. Furthermore, the system 2 allows rapid maintenance in the event of wear, in that the respective blocks 1, 20, 30, 40 can be replaced without the entire spray bar 47 having to be removed at great expense.
- the main advantage of the structure described here is that in the event of wear, the entire spray bar does not have to be remanufactured, only the affected components.
- a spray bar can be assembled from prefabricated modules.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020213287.9A DE102020213287A1 (de) | 2020-10-21 | 2020-10-21 | Modulares Spritzbalkensystem zur selektiven Kühlung und/oder Schmierung von Walzen |
| PCT/EP2021/078667 WO2022084196A1 (de) | 2020-10-21 | 2021-10-15 | Modulares spritzbalkensystem zur selektiven kühlung und/oder schmierung von walzen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4232215A1 true EP4232215A1 (de) | 2023-08-30 |
| EP4232215B1 EP4232215B1 (de) | 2024-03-27 |
| EP4232215C0 EP4232215C0 (de) | 2024-03-27 |
Family
ID=78302763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21794804.1A Active EP4232215B1 (de) | 2020-10-21 | 2021-10-15 | Modulares spritzbalkensystem zur selektiven kühlung und/oder schmierung von walzen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12521778B2 (de) |
| EP (1) | EP4232215B1 (de) |
| JP (1) | JP7539627B2 (de) |
| CN (1) | CN116472125A (de) |
| DE (1) | DE102020213287A1 (de) |
| WO (1) | WO2022084196A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12134116B2 (en) * | 2022-11-09 | 2024-11-05 | Primetals Technologies USA LLC | Quick-change roll cooling header cartridge with real-time feedback of operational data |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880358A (en) * | 1973-08-15 | 1975-04-29 | Edward J Schaming | Coolant distribution and control system for metal rolling mills and the like |
| JPS5125431A (ja) * | 1974-08-28 | 1976-03-02 | Nippon Steel Corp | Funshahabakahensupureihetsudaasochi |
| JPS51156029U (de) * | 1975-06-04 | 1976-12-13 | ||
| US4247047A (en) | 1979-01-15 | 1981-01-27 | Schaming Edward J | Modular zoned digital coolant control system for strip mill rolls |
| US4400961A (en) * | 1981-07-15 | 1983-08-30 | Schaming Edward J | Apparatus for removing liquid coolant from metal strips in a rolling mill |
| US4387739A (en) * | 1981-09-22 | 1983-06-14 | Schaming Edward J | Valve module for digital coolant control system |
| DE3234160C2 (de) * | 1982-09-15 | 1986-10-23 | Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh, 4100 Duisburg | Verfahren und Warmbandstraße zum Herstellen von dünnem Metallband, insbesondere Metall-Breitband, aus Warmband |
| DE3607527A1 (de) * | 1986-03-07 | 1987-09-10 | Achenbach Buschhuetten Gmbh | Vorrichtung zum regeln der planheit und dicke von walzband in einem mehrwalzen-bandwalzgeruest |
| US4760961A (en) * | 1987-02-13 | 1988-08-02 | The Snair Company | Modular sprayhead assembly |
| DE20106972U1 (de) * | 2001-04-23 | 2001-06-28 | Achenbach Buschhütten GmbH, 57223 Kreuztal | Walzenkühl- und/oder Schmiervorrichtung für Kaltbandwalzwerke, insbesondere Feinband- und Folienwalzwerke |
| US7837131B2 (en) * | 2003-03-27 | 2010-11-23 | Spraying Systems Co. | Modular automatic spray gun manifold |
| WO2004112969A1 (de) | 2003-06-13 | 2004-12-29 | Wotec Automatisierungssysteme Gmbh | Sprühwerkzeug für giessereiformen |
| DE102009040876A1 (de) | 2008-11-18 | 2010-05-20 | Sms Siemag Ag | Vorrichtung zum Kühlen einer Walze in einem Walzgerüst |
| EP3006125A1 (de) * | 2014-10-09 | 2016-04-13 | Josef Fröhling GmbH & Co. KG | Walzvorrichtung und walzverfahren |
| EP3251762B1 (de) | 2016-06-02 | 2019-08-07 | Primetals Technologies Austria GmbH | Schmiervorrichtung zum aufbringen eines schmiermittels beim walzen eines walzgutes |
-
2020
- 2020-10-21 DE DE102020213287.9A patent/DE102020213287A1/de not_active Withdrawn
-
2021
- 2021-10-15 CN CN202180068869.8A patent/CN116472125A/zh active Pending
- 2021-10-15 US US18/032,626 patent/US12521778B2/en active Active
- 2021-10-15 EP EP21794804.1A patent/EP4232215B1/de active Active
- 2021-10-15 WO PCT/EP2021/078667 patent/WO2022084196A1/de not_active Ceased
- 2021-10-15 JP JP2023520084A patent/JP7539627B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US12521778B2 (en) | 2026-01-13 |
| JP7539627B2 (ja) | 2024-08-26 |
| JP2023544345A (ja) | 2023-10-23 |
| CN116472125A (zh) | 2023-07-21 |
| EP4232215B1 (de) | 2024-03-27 |
| EP4232215C0 (de) | 2024-03-27 |
| WO2022084196A1 (de) | 2022-04-28 |
| DE102020213287A1 (de) | 2022-04-21 |
| US20230405657A1 (en) | 2023-12-21 |
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