Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
  • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
  • B22D41/50—Pouring-nozzles
  • B22D41/56—Means for supporting, manipulating or changing a pouring-nozzle
• • 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
  • B22D11/10—Supplying or treating molten metal
• • 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
  • B22D11/10—Supplying or treating molten metal
  • B22D11/106—Shielding the molten jet
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
  • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
  • B22D41/08—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like for bottom pouring

Definitions

• the invention first relates to a protective device for one of a
• Casting emanating pouring stream with a G manstrahlschutzrohr and with a bearing ring which engages around the G manstrahlschutzrohr at an upper inlet end, wherein a collar of the pouring blast pipe rests on the bearing ring, and with a fastening means for the bearing ring, which is attached to the casting device, wherein a on the Attachment fastened spring element presses the bearing ring to the casting cone.
• the invention further relates to a
• a method for holding a G stealstrahlterrorismrohres on a casting apparatus wherein a bearing ring engages around the G stealstrahlterrorismrohr at an upper inlet end and a collar of the G manstrahlterrorismrohres rests on the bearing ring, and wherein the bearing ring with the G manstrahlterrorismrohr by means of a
• Handling device is attached to a fastening means, which is attached to the casting device, that one on the fastening means
• fastened spring element presses the bearing ring against the casting cone.
• the pouring stream emerging from the ladle is enveloped by a ceramic pouring jet protective tube.
• the pebble protective pipe is attached to the casting cone immediately prior to casting, purged with oxygen after casting and reused several times.
• a protective device and a method of the aforementioned type are known, for example, from AT 514848 A1:
• G hasslestrahlschutzrohr is used here via a bayonet lock in a holder, which in turn is pressed by means of coil springs to the casting apparatus.
• the closing and opening of the bayonet closure requires a high-precision rotation of the bearing ring with the Gellostrahlschutzrohr about a vertical axis.
• the invention has for its object to simplify the handling of the protection device. solution
• the spring element is mounted in a longitudinal direction displaceably on the bearing ring.
• the protective device according to the invention takes over the prior art, the displaceable spring element during the casting, the support function of
• Handling device The complex control and monitoring of the handling device during the casting is eliminated.
• the handling of the protective device is thus significantly simplified.
• the invention according to the casting individually adapted fastening means allows the use of the same spring element on different casting devices.
• Attachment means attached to a pan slider under the casting cone.
• the pan slider has sufficient stability to the
• attachment means may be attached to the casting apparatus, for example, with a separate support structure.
• a protective device according to the invention at the
• Handling device on an adapter that receives the bearing ring.
• the use of an individually adapted to the handling device adapter allows the use of the same fastener with
• a protective device according to the invention on the adapter on a conical receiving element on which the bearing ring is centered by its own weight.
• conical, in particular pyramidal receiving elements are known on agricultural vehicles, for example on tractors and allow quick change of attachments - here: the Gellostrahlschutzrohres.
• a protective device according to the invention has a drive which fixes the spring element to the casting device.
• the drive may in particular comprise one or more hydraulic, pneumatic or mechanical cylinders. Such a drive eliminates the manual attachment of the spring element in the high-risk area directly on the casting device.
• a protective device has a releasable latch, which prevents disengagement of the bearing ring from the handling device.
• a releasable latch which prevents disengagement of the bearing ring from the handling device.
• the spring element is slidably mounted in a longitudinal direction on the bearing ring.
• Handling device triggers the bearing ring with the Gellostrahlschutzrohr of the casting device.
• the handling device is thus not part of the protective device during the casting.
• the cost of control and monitoring drops significantly and the handling device can be used elsewhere during the casting - for example, on another casting device.
• Fig. 1a / b a bearing ring and an adapter of an inventive
• Fig. 3 and 4a - e the mounted protection device according to the invention.
• the bearing ring 1 shown in Figure 1a has an upwardly open, closed in the circumference receiving hopper 2 for a (only in Fig. 3ff.) Gellostrahlschutzrohr 3 on.
• a downwardly open, pyramid-shaped conical recess 4 is formed at the periphery of the receiving hopper 2 .
• the bearing ring 1 has a radial blind bore 5.
• a rectangularly curved spring element 6 made of spring steel hinged and slidably mounted in the longitudinal direction 7.
• the adapter 8 shown in FIG. 1b has, at the rear end 9 of a square-shaped carrier 10, a flange plate 11 for attachment to a handling device (not shown) and at the front end 12
• the adapter 8 has two guide elements 14 attached to the carrier 10 on both sides.
• the guide elements 14 each have an upwardly open groove 15, are connected to a bolt 16 and pivotable by means of two electromechanical cylinder 17 about a pivot axis 18 on the carrier 10.
• a bar 19 visible only in the sectional view in FIG. 3) in the hollow support 10 is longitudinally displaceably mounted.
• the fastening means 20 shown in Figure 2a has a rectangular
• Support plate 21 with a central bore 22 and at the bottom 23 in front of a double hook 24 and the rear of a single hook 25, which are each open to the rear.
• the double hooks 24 and the single hook 25 each have an upwardly rising guide surface 26 and the single
• Hook 25 has a latching groove 27 transversely to the guide surface 26.
• the attachment means 20 is attached to the casting device in such a way that a casting cone 28 (not shown in FIGS. 3 ff.) Penetrates its central bore 22.
• the fastening means 20 can be screwed to a (not shown) pan slider of the pouring device.
• Figures 3 and 4 a to e show the attached to the casting cone 28
• Fastening means 20 The spring element 6 is on the double hook 24 and the single hook 25 of the fastener 20 down and on the
• Casting cone 28 supported upwards and so between the
• the bolt 19 is first withdrawn in the adapter 8 from the blind bore 5 of the bearing ring 1 and so the bearing ring 1 is released from the adapter 8.
• the adapter 8 is now removed by means of the handling device down from the recess 4 on the bearing ring 1.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Support Of The Bearing (AREA)
• Continuous Casting (AREA)
• Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Publications (1)

Family

ID=60268339

Family Applications (1)

Country Status (8)

Cited By (1)

Citations (3)

Family Cites Families (2)

• 2016
  • 2016-10-17 DE DE102016119706.8A patent/DE102016119706A1/de not_active Withdrawn
• 2017
  • 2017-10-17 PL PL17794675T patent/PL3525956T3/pl unknown
  • 2017-10-17 RS RS20210733A patent/RS62265B1/sr unknown
  • 2017-10-17 EP EP17794675.3A patent/EP3525956B1/de active Active
  • 2017-10-17 WO PCT/EP2017/076406 patent/WO2018073205A1/de active Application Filing
  • 2017-10-17 PT PT177946753T patent/PT3525956T/pt unknown
  • 2017-10-17 SI SI201730798T patent/SI3525956T1/sl unknown
  • 2017-10-17 ES ES17794675T patent/ES2877815T3/es active Active

Patent Citations (3)

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