EP3525955A1 - Kokille mit einem kokillenteiler - Google Patents
Kokille mit einem kokillenteilerInfo
- Publication number
- EP3525955A1 EP3525955A1 EP17791977.6A EP17791977A EP3525955A1 EP 3525955 A1 EP3525955 A1 EP 3525955A1 EP 17791977 A EP17791977 A EP 17791977A EP 3525955 A1 EP3525955 A1 EP 3525955A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mold
- clamping
- divider
- clamping piston
- piston
- 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
- 238000005266 casting Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000009749 continuous casting Methods 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims description 23
- 239000000110 cooling liquid Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 239000000155 melt Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000000641 cold extrusion Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/0403—Multiple moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/05—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds into moulds having adjustable walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/08—Accessories for starting the casting procedure
- B22D11/081—Starter bars
- B22D11/083—Starter bar head; Means for connecting or detaching starter bars and ingots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
- B22D11/147—Multi-strand plants
Definitions
- the invention relates to a mold with a mold divider for installation in the mold and a method for
- the invention relates to a mold with a mold divider for installation in the mold, wherein the mold has two spaced apart mold walls, between which a Kokilleninnenraum extends for the passage of a melt comprising the mold divider
- the invention relates to a method for the simultaneous continuous casting of two casting strands in a mold using the mold and a
- a die divider is understood to mean a device which subdivides the die interior into two subspaces, in each of which a cast strand of reduced width can be produced, so that the die Mold at the same time in particular two casting strands can be pulled out.
- No. 4,637,452 A discloses a mold divider which can be installed in a mold and which is substantially T-shaped with a mold
- Beam portion and a centrally extending from the beam portion center portion is formed. After installation in the mold, the middle section divides the
- the mold and the beam portion is located on upper sides of opposing mold walls, between which runs the Kokilleninnenraum.
- Continuous casting can be done, but the mold is first disassembled from the continuous casting and in one
- Mold divider takes a long time, while the
- Continuous casting plant can not produce and thereby their productivity decreases.
- Particularly disadvantageous is the complicated conversion during the so-called "top feeding" of a cold strand into the continuous casting plant, ie during the introduction of the cold strand from above (from the inlet side of the mold) into the permanent mold Mold with Kokillenteiler not possible, so that the
- Kokillenteiler known that can be installed in a mold from the sprue side within a relatively short time. Due to the rapid installation and removal of the mold divider, the "top feeding" of a cold strand into the mold is possible.
- a disadvantage of this solution is that the Kokillenteiler on the Einggussseite the mold on and must be unscrewed and the wedge and screw in the
- Reworking the copper plate must also be adjusted. This is a possible source of error, as well as the time for the change of the mold divider is extended.
- the invention is based on the object, a further
- Mold divider for installation in the mold, to be specified.
- Each at least a second clamping piston which is guided through a second Kokillenwandö réelle in the second mold wall, on, wherein the first and the second clamping piston hydraulically or pneumatically or electromechanically
- the mold divider can be much faster in the mold and removed from the mold.
- first clamping piston which is arranged opposite a first mold wall
- second clamping piston which is arranged opposite a second mold wall.
- the clamping pistons engage through mold wall openings in the mold walls.
- the mold walls are typically wide side walls of a slab mold.
- Each clamping piston is e.g. hydraulic, pneumatic or electromechanical
- the mold has a plurality, for example two, first clamping piston and a plurality, for example two, second clamping piston. Since the divider block in the casting direction is approximately as long as the mold wall, it is advantageous to clamp the divider block several times in the casting direction.
- the clamping force is evenly distributed to the mold wall and the divider block in the casting direction.
- the at least one first clamping piston is arranged centrally to the first mold wall and the at least one second clamping piston is arranged centrally to the second mold wall.
- Clamping piston and the at least one second clamping piston can be guided. This ensures that the clamping bars can be replaced with each other and only one
- the mold has at least one force regulator for regulating the clamping force of at least one first clamping piston and / or at least one second clamping piston.
- force regulator is a pneumatic or hydraulic pressure regulator.
- the object of the invention is also by a
- the solution is carried out by a method for
- Kaltstrang the one cold strand head with a
- the Kokillenteiler is installed after passing through the cold strand through the mold in the mold and
- the cold strand head is inserted after installation of the mold divider from the spout side into the mold, so that the
- the cold strand is introduced into the mold without a mold divider by "top feeding", so that the cold strand head of the cold strand is located below the spout side of the mold, after which the mold divider is inserted into the mold.
- the cold extrusion head is introduced from the spout side counter to the casting direction into the mold, so that the mold divider protrudes into the cold strand recess and the two subspaces of the mold are sealed fluid-tight.
- the at least one first clamping piston is clamped. Subsequently, the at least one second clamping piston is moved to the divider block of the mold divider, then a further clamping rod from the sprue side through the clamping piston recess of the at least one second
- Clamping piston is clamped before the same steps are performed with the first clamping piston.
- both clamping pistons are moved substantially synchronously, the clamping bars are inserted synchronously, and the clamping bars in the
- the duration for the installation of the mold divider can be further reduced.
- the clamping of the first and / or second clamping piston is adjusted force-controlled or force-controlled. It is particularly advantageous if the clamping by a pneumatic or hydraulic
- Pressure regulator is set. Hydraulic or pneumatic pressure regulators are known to those skilled in the art, e.g. the textbooks
- Part 1 Hydraulics and Part 2: Pneumatics, well known and are characterized by their particular robustness.
- the oscillation of the mold is done hydraulically anyway, so that the additional cost is low.
- the first When removing a Kokillenteilers from the mold, the first at least a first clamping piston to the
- both clamping piston can be moved substantially synchronously.
- FIG. 1 shows a perspective view of a mold and a mold divider installed in the mold according to DE 202016105609 U1
- FIG. 2 shows a sectional view of the mold shown in FIG. 1
- FIG. 3 shows an elevational view of a mold 1 according to the invention with a built-in mold divider 3,
- FIG. 4 shows a plan view to FIG. 3, 5 shows a sectional view along the section lines
- FIG. 6 shows a perspective half section of the mold with built-in mold divider
- FIG. 8 shows a cold strand head of a cold strand after passing through the cold strand through a mold and a mold divider installed in the mold
- FIG. 10 shows a front view of a cold strand head of a cold strand. Corresponding parts are provided in all figures with the same reference numerals.
- FIG. 1 shows a perspective view of a mold 1 and a mold installed in the mold 1
- the mold 1 has mutually spaced, mutually parallel mold walls 5, 6, between which a Kokilleninnenraum 7 for passing a melt
- the mold divider 3 comprises a divider block 9 with two outer surfaces 11, 12 for dividing the
- Kokillenteiler 3 a with a first end of the divider block. 9 connected holding element 10, which after installation of the
- the holding element 10 is connected by Klemmschraubstatten 27 with the divider block 9.
- the outer surfaces 11, 12 form on both sides of the divider block 9 each have a casting cone to compensate for the strand shrinkage of the mold 1 formed in the mold
- the Kokilleninnenraum 7 is closed in a known manner by side walls not shown in Figure 1, preferably each to the divider block 9 out and from the divider block. 9 are displaced away to casting strands
- FIG. 2 shows a sectional view of the mold 1 shown in FIG. 1 and the mold divider 3 incorporated in the mold 1 from DE202016105609 U1.
- the divider block 9 comprises two opposing ones
- Splitter plates 13 are designed for example as copper plates.
- the central portion of the divider block 9 has two interconnected support plates 18, wherein a first support plate, for example by screw, is connected to a first divider plate and the second
- Support plate 18 for example by screw, with the second divider plate is connected.
- temperature sensors for example
- Thermocouples arranged to detect temperatures of the two divider plates 13.
- the support plates 18 are on two opposite wall sides 19, 20 of the divider block 9, each facing a mold wall 5, 6, with each other
- connection tabs 24 are guided, which protrude on the respective wall side 19, 20 from the support plates to the respective mold wall 5, 6 out.
- the mold divider 3 is fixed in the mold 1 by jamming.
- On the part of the first mold wall 5 is the
- Mold wall 5 and the support plates 18 introduced and the holding member 10 is connected by Klemmschraub für 27 with the first mold wall 5.
- On the part of the second mold wall 6 of the divider block 9 is releasably coupled via two on the support plates 17, 18 arranged Klemmkolbenfactn 29 to two clamping piston 31.
- Each clamping piston 31 is guided through a mold wall opening 33 in the second mold wall 6 in one of the two Klemmkolbenfactn 29 and movable by a hydraulic cylinder 35 along its longitudinal axis.
- the mold divider 3 also has two extending between the two outer surfaces 11 of the divider block 9 Cooling lines 41, 42, wherein a first cooling line 41 is a cooling tube, which on one of the first mold wall. 5
- the second cooling line 42 is a cooling tube which extends on one of the second mold wall 6 facing the second wall side 20 of the divider block 9.
- the cooling tubes (not shown) long hoses or tubes are screwed above, which allow the Kokillenteiler 3 far enough to pull out of the mold 1, that it can be pivoted away from the mold 1, without expanding the mold 1 from the continuous casting.
- the holding element 10 has, for each cooling line 41, 42, a connecting line 43, 44 connected to the cooling line 41, 42 for supplying cooling liquid to the cooling line 41, 42.
- the mold divider 3 has a
- Holding element 10 facing away from the second end of the divider block 9 connects and has a plurality of strand guide rollers 47 for guiding out of the mold 1 issued casting strands.
- Each cooling line 41, 42 extends from the holding member 10 to the strand guiding block 45 for discharging cooling liquid onto the strand guiding block 45.
- At least one (not shown) lubricant line can be provided analogously to the supply of the cooling liquid to the strand guide block 45, which runs on or in the divider block 9 from the holding element 10 to the strand guide block 45.
- Each mold wall 5, 6 is on both sides of the
- Cooling channel 55 is connected to a in the holding element 10th
- the holding element 10 has a for each inlet channel 57 a
- Outlet opening 63 on.
- Outlet openings 63 are arranged in the embodiment shown in the figures on an underside of the holding element 10 (see Figure 2), in other words
- Cooling channel 55 runs, for example, from the with him
- the mold divider 3 is installed in the mold 1 from above. It is the
- Mold 1 introduced and clamped on the first wall side 19 through the clamping wedge 25 and the Klemmschraubstatten 27 with the first mold wall 5. After that everyone will
- the clamping rod 39 is installed from above and then the clamping piston 31 controlled by reduced pressure briefly in the other direction until the clamping rod 39 in the Klemmkolbenaus traditions Heidelberg 52nd is stuck.
- the pressure of the clamping piston 31 is loosened on the clamping rod 39 by a short process of the clamping piston 31, so that the clamping rod 39 can be removed.
- FIGS. 3 to 6 show the mold 1 according to the invention with the mold divider 3 in different views.
- FIG. 3 shows an elevation
- FIG. 4 a plan view
- FIG. 5 a sectional view
- FIG. 1 perspective half-section of a mold 1 according to the invention with built-in mold divider 3.
- the mold divider 3 is clamped by both mold walls 5, 6 of the mold 1 by respective first and second clamping pistons 31a, 31b.
- Two first clamping pistons 31a are guided through the first mold wall 5 through two first mold wall openings 33a and clamp over the clamping rod 39 and the
- FIGS. 7 to 10 show the process for the simultaneous continuous casting of two casting strands in a mold 1 using a mold divider 3.
- a mold divider 3 which has been built into the mold 1, is first removed from the mold 1 in the manner described above. Thereafter, a cold strand 65, which has a cold strand head 67 with a cold strand recess 69 for the mold divider 3, led from the sprue of the mold 1 through the mold 1, so that the
- Mold 1 is arranged. Thereafter, the mold divider 3 is installed in the mold 1 by hydraulic clamping on both sides. Subsequently, the cold strand head 67 is again inserted a little way into the mold 1, so that the
- FIG. 10 shows schematically a front view of the
- the Cold strand recess 69 is in the middle of a
- Cold stranded 66 of the dummy bar 65 is arranged and has a width corresponding to a Kokillenteilerbreite of each Kokillenteilers 3 used.
- FIG. 7 shows how the cold strand 65 is guided from the sprue side of the mold 1 through the mold 1.
- the cold leg 65 has a plurality of linked together movable
- Kokillenteilers are in the retracted position.
- FIG. 8 shows the position of the cold rod head 67 after passing through the cold strand 65 through the mold 1 and the mold divider 3 installed in the mold 1
- Kokillenteilers are as shown in the section block 9 extended position, so that the
- Clamping rods 39 can be inserted through the Garelementaus Principle Institute 51 and the Klemmkolbenaus Principleungen 52 of the first and second clamping piston 31 a, 31 b.
- Figure 9 shows the position of the cold rod head 67 and the
- Clamping pistons 31a, 31b are clamped.
- a clamping force is applied to the first and second clamping pistons 31a, 31b in a controlled manner by a pressure regulator, so that the clamping of the mold divider 3 is ensured even during operation. From the exemplary embodiment, it is clear to the person skilled in the art that it does not matter whether first the first clamping pistons 31a are clamped to the clamping rod 39, if first the second clamping pistons 31b are clamped to the clamping rod 39, or if as shown here, the first and second
- the at least one first clamping piston 31a is initially moved in the direction of the divider block 9 until the clamping of the first clamping rod in the
- Clamping piston 52 is canceled. Subsequently, the clamping bar 39 can be removed. Subsequently, the first clamping piston 31a are moved away from the divider block 9. The analogous steps are performed for the second clamping piston 31b. Finally, the mold divider 3 is removed from the pouring side of the mold 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50920/2016A AT519391B1 (de) | 2016-10-07 | 2016-10-14 | Kokillenteiler zum Einbau in eine Kokille |
PCT/EP2017/076150 WO2018069483A1 (de) | 2016-10-14 | 2017-10-13 | Kokille mit einem kokillenteiler |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3525955A1 true EP3525955A1 (de) | 2019-08-21 |
EP3525955B1 EP3525955B1 (de) | 2020-07-15 |
Family
ID=60201526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17791977.6A Active EP3525955B1 (de) | 2016-10-14 | 2017-10-13 | Kokille mit einem kokillenteiler |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3525955B1 (de) |
WO (1) | WO2018069483A1 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3717197A (en) * | 1971-01-15 | 1973-02-20 | Mannesmann Ag | Mold for continuous casting of slab ingots |
GB1400318A (en) * | 1973-10-23 | 1975-07-16 | V Ni I Pk I Metall Mash | Continuous casting of hollow metal ingots |
JPS6254553A (ja) | 1985-09-02 | 1987-03-10 | Sumitomo Heavy Ind Ltd | 連続鋳造設備のツインモ−ルド |
DE10057250A1 (de) * | 2000-11-18 | 2002-05-23 | Sms Demag Ag | Mehrfach-Stranggießanlage mit verstellbarer Gleitkokille |
DE202016105609U1 (de) | 2016-10-07 | 2017-02-20 | Primetals Technologies Austria GmbH | Kokillenteiler zum Einbau in eine Kokille |
-
2017
- 2017-10-13 EP EP17791977.6A patent/EP3525955B1/de active Active
- 2017-10-13 WO PCT/EP2017/076150 patent/WO2018069483A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
EP3525955B1 (de) | 2020-07-15 |
WO2018069483A1 (de) | 2018-04-19 |
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