CN113441690A - Supporting device for side sealing plates between rollers of double-roller thin-strip continuous casting machine - Google Patents
Supporting device for side sealing plates between rollers of double-roller thin-strip continuous casting machine Download PDFInfo
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- CN113441690A CN113441690A CN202010224835.0A CN202010224835A CN113441690A CN 113441690 A CN113441690 A CN 113441690A CN 202010224835 A CN202010224835 A CN 202010224835A CN 113441690 A CN113441690 A CN 113441690A
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- heat insulation
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- insulation layer
- roll
- side sealing
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- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/0648—Casting surfaces
- B22D11/066—Side dams
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- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
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Abstract
The invention discloses a supporting device for side sealing plates between rollers of a double-roller thin-strip continuous casting machine, which is arranged at one side end part of a casting roller (9), a heat insulation plate (2) is arranged between the side sealing plates (1) and a supporting plate (4), and an external jacking device (13) applies jacking force to the jacking surface of the supporting plate, so that the side sealing plates, the heat insulation plate and the supporting plate are jacked on the end surface of the casting roller together; the heat insulation plate comprises a first heat insulation layer (22) and a second heat insulation layer (23), wherein the material of the first heat insulation layer has better compressible deformation performance compared with the material of the second heat insulation layer, the thickness of the upper portion of the first heat insulation layer is larger than that of the lower portion, the thickness of the upper portion of the second heat insulation layer is smaller than that of the lower portion, one surface of the second heat insulation layer is inwards sunken, and the sunken surface forms a space (10). In the device, the deformation of the lower part of the side sealing plate is similar to that of the upper part of the side sealing plate, so that the uniform clearance between the side sealing plate and the casting roll is ensured, and the leakage of molten steel in the thin strip casting process is effectively prevented.
Description
Technical Field
The invention relates to a double-roller thin strip continuous casting machine, in particular to a supporting device for side sealing plates between rollers of the double-roller thin strip continuous casting machine.
Background
In a twin roll strip caster, a molten steel bath is enclosed by two oppositely rotating casting rolls and side closure plates on either side, the molten steel solidifies on the roll surfaces and forms a thin strip between the two casting rolls. In order to reduce the influence of heat absorption of the side sealing plates on the temperature of molten steel in a molten pool as much as possible, the side sealing plates are generally put into a heating furnace for heating before casting, after the side sealing plates are heated to a certain temperature, the side sealing plates are taken out of the heating furnace and supported and tightly propped on the end surfaces of casting rollers by an external propping device, then casting is started, and in the process, the side sealing plates lose a large amount of heat, so that the side sealing plates deform due to temperature reduction, the side sealing plates which deform too much are not well attached to the casting rollers, and molten steel leaks out from gaps between the side sealing plates and the casting rollers, so that a steel leakage accident is caused. Therefore, how to correct the temperature drop deformation of the side sealing plates generated in the process of jacking the end surfaces of the casting rolls from the heating furnace becomes an urgent problem to be solved.
Patent WO2014005174 provides a method and apparatus for installing and using side seal plates, wherein a side seal plate with a thickness of at least 10mm is inserted into a bag-type structure made of refractory material and can be attached to the end face of a casting roll along with the bottom plate to form a molten steel bath together with the casting roll, wherein the side seal plate has a wedge shape to match with the bag-type structure edge of the bottom plate and maintain the position between the two, three ceramic bolts are installed at the rear part of the bottom plate and are matched with a ring-shaped structure on a support plate to tension the bottom plate and the side seal plate on the support plate, and a linear actuator at the rear part of the support plate realizes the position and pressure control of the support plate through a control system. The heat insulation plate of the patent is of a bag type structure made of refractory materials, and the structure cannot well correct temperature drop deformation generated in the process that the side sealing plates are tightly pressed from a heating furnace to the end faces of the casting rolls.
Disclosure of Invention
The invention aims to provide a supporting device for side sealing plates between rollers of a double-roller thin strip casting machine, in the supporting device, the upper part of a heat insulation plate is easier to be compressed and deformed compared with the lower part of the heat insulation plate, so that the deformation of the lower part of the side sealing plate is similar to that of the upper part of the heat insulation plate, the uniform clearance between the side sealing plate and the casting rollers is ensured, and the leakage of molten steel in the thin strip casting process is effectively prevented; in addition, the stop block is connected with the elongated guide hole through the second bolt, so that the consumption of the stop block part is reduced, and the production cost is saved.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a supporting device for side sealing plates between rollers of a double-roller thin-strip continuous casting machine is arranged at one side end part of a casting roller and comprises the side sealing plates, a heat insulation plate, a supporting plate and a stop block; one surface of the side sealing plate is a working surface, and the other surface of the side sealing plate is a heat insulation surface; one surface of the supporting plate is a heat insulation surface, and the other surface of the supporting plate is a tightening surface; the heat insulation plate is arranged between the heat insulation surface of the side sealing plate and the heat insulation surface of the supporting plate, and two surfaces of the heat insulation plate are respectively attached to the heat insulation surface of the side sealing plate and the heat insulation surface of the supporting plate; the working surfaces of the side sealing plates are in fit contact with the end surfaces of the casting rolls, and an external jacking device exerts jacking pressure on the jacking surface of the supporting plate, so that the side sealing plates, the heat insulation plate and the supporting plate are jacked on the end surfaces of the casting rolls together; the stop block is arranged at the lower part of the support plate, and the upper end surface of the stop block props against the lower end of the side sealing plate; the heat insulation plate comprises a first heat insulation layer and a second heat insulation layer which are attached together, the material of the first heat insulation layer has better compressible deformation performance compared with the material of the second heat insulation layer, the thickness of the upper portion of the first heat insulation layer is larger than that of the lower portion of the first heat insulation layer, and the thickness of the upper portion of the second heat insulation layer is smaller than that of the lower portion of the second heat insulation layer.
Furthermore, the side where the first heat insulation layer of the heat insulation plate is located is attached to the heat insulation surface of the side sealing plate, and the side where the second heat insulation layer of the heat insulation plate is located is attached to the heat insulation surface of the supporting plate.
Further, one surface of the second heat insulation layer, the upper part of the one surface is inwards sunken, and the sunken part forms a space.
Furthermore, the upper part of one surface, attached to the support plate, of the second heat insulation layer is inwards sunken, and the sunken part forms a gap between the second heat insulation layer and the support plate.
Furthermore, the side sealing plate supporting device further comprises a first bolt, and a second heat insulation layer of the heat insulation plate is fixedly connected with the supporting plate through the first bolt.
Furthermore, the second heat insulation layer of the heat insulation plate is fixedly connected with the support plate through a first bolt, bolt holes are formed in the upper portion and the lower portion of the second heat insulation layer, a threaded hole is formed in the support plate corresponding to the bolt hole in the second heat insulation layer, one surface, combined with the first heat insulation layer, of the second heat insulation layer is located on the surface, the bolt hole is inwards recessed to form a bolt head accommodating cavity, and the first bolt penetrates through the bolt hole in the second heat insulation layer from the bolt head accommodating cavity and is in threaded connection with the threaded hole in the support plate and fastened.
Furthermore, the first heat insulation layer of the heat insulation plate is made of ceramic fibers, and the second heat insulation layer of the heat insulation plate is made of mullite.
Furthermore, the side sealing plate supporting device further comprises a second bolt, the stop block is installed on the lower portion of the supporting plate, the lower portion of the supporting plate bends towards the side of the heat insulation plate and extends to form a horizontal sliding platform, the stop block is placed on the sliding platform and is in sliding contact with the sliding platform, a threaded hole is formed in the end face, facing the supporting plate, of the stop block, a guide hole is formed in the position, corresponding to the threaded hole of the stop block, of the supporting plate, the guide hole is a horizontal long-strip-shaped hole, and the second bolt is in threaded connection with the threaded hole in the stop block after penetrating through the guide hole from the outer side of the supporting plate.
Furthermore, the end face of the stop block facing the support plate is provided with a threaded hole, a threaded nest made of metal materials is embedded into the end face of the outer side of the stop block, and the threaded hole is a threaded hole in the threaded nest.
Further, the second bolt is a ceramic bolt.
The heat insulation plate of the supporting device for the side sealing plate between the rollers of the double-roller thin strip continuous casting machine comprises a first heat insulation layer and a second heat insulation layer, the first heat insulation layer has better compressible deformation performance compared with the second heat insulation layer, the thickness of the upper part of the first heat insulation layer is larger than that of the lower part of the first heat insulation layer, the thickness of the upper part of the second heat insulation layer is smaller than that of the lower part of the second heat insulation layer, and the structure brings the following beneficial effects that: when an external jacking device applies jacking force to the jacking surface of the supporting plate, the upper part of the whole heat insulation plate is more easily compressed and deformed than the lower part of the heat insulation plate, under the action of the same jacking force, the force applied to the lower part of the side sealing plate can exceed the upper part, and the relatively large thermal deformation amount of the lower part of the side sealing plate can be corrected, so that the deformation amount of the lower part of the side sealing plate is similar to that of the upper part, the uniform gap between the side sealing plate and the casting roll is ensured, and the leakage of molten steel in the thin strip casting process is effectively prevented; the upper part of the second heat insulation layer is provided with a space, and the structure has the advantages that: the upper part of the heat insulation plate is easier to be compressed and deformed, so that the effect that the upper part of the whole heat insulation plate is easier to be compressed and deformed compared with the lower part is strengthened; in addition, the dog passes through the second bolt to be connected with the guiding hole of rectangular shape, and the beneficial effect that this structure brought is: the stop block has a certain transverse free movement distance in the range of the guide hole relative to the support plate, when the part of the stop block, which is just opposite to the thin strip, is ground to form a deep grinding mark, the stop block can transversely move for a certain distance, so that the part of the stop block, which is not worn, is just opposite to the thin strip, the service life of the stop block is prolonged to a great extent, the consumption of stop block parts in the normal production process is reduced, and the production cost is saved.
Drawings
FIG. 1 is a schematic view of the supporting device for side sealing plates between rolls of a twin roll strip caster of the present invention;
FIG. 2 is a view in the direction of arrow B in FIG. 1, excluding the external tightening device;
fig. 3 is a partially enlarged view of the stopper of fig. 1.
In the figure: the heat insulation plate comprises a side sealing plate 1, a heat insulation plate 2, a first heat insulation layer 22, a second heat insulation layer 23, a supporting plate 4, a first bolt 5, a second bolt 6, a stop dog 7, a guide hole 8, a casting roller 9, a spacing hole 10, a thread nesting hole 11, a sliding platform 12, an external jacking device 13 and a bolt head accommodating cavity 14.
Detailed Description
The invention will be further described with reference to the following figures and specific examples:
the present embodiment is directed to a side seal plate on the casting roll side of a strip caster.
Referring to fig. 1 and 2, the present embodiment provides a roll-to-roll side seal plate supporting apparatus for a twin roll strip caster, which is provided at one end of a casting roll 9 and functions to abut side seal plates 1 against the end surfaces of the casting roll 9.
Referring to fig. 1, in the present embodiment, the side sealing plate supporting device includes a side sealing plate 1, a heat insulating plate 2, a supporting plate 4 and a stopper 7; one surface of the side sealing plate 1 is a working surface, and the other surface of the side sealing plate 1 is a heat insulation surface; one surface of the supporting plate 4 is a heat insulation surface, and the other surface of the supporting plate 4 is a tightening surface; the heat insulation plate 2 is made of a non-metal material with strong heat resistance, the heat insulation plate 2 is arranged between the heat insulation surface of the side sealing plate 1 and the heat insulation surface of the support plate 4, and two surfaces of the heat insulation plate 2 are respectively attached to the heat insulation surface of the side sealing plate 1 and the heat insulation surface of the support plate 4; the working surfaces of the side sealing plates 1 are in fit contact with the end surfaces of the casting rolls 9, and an external jacking device 13 applies jacking force to the jacking surfaces of the supporting plates 4 so as to jack the side sealing plates 1, the heat insulation plates 2 and the supporting plates 4 together on the end surfaces of the casting rolls 9, wherein the external jacking device 13 can be a hydraulic cylinder with servo control (a jacking head of the hydraulic cylinder is shown in FIG. 1); the stop blocks 7 are arranged at the lower part of the support plate 4, the upper end faces of the stop blocks 7 are abutted against the lower ends of the side seal plates 1, the stop blocks 7 are used for supporting the bottom ends of the side seal plates 1 so as to determine the installation height of the side seal plates 1, the installation height enables the side seal plates 1 to be matched with the height position of the casting rolls 9, and the stop blocks 7 are usually made of ceramic materials; the heat insulation plate 2 comprises a first heat insulation layer 22 and a second heat insulation layer 23 which are attached together, the material of the first heat insulation layer 22 has better compressible deformation performance compared with the material of the second heat insulation layer 23, the upper thickness of the first heat insulation layer 22 is larger than the lower thickness of the first heat insulation layer, and the upper thickness of the second heat insulation layer 23 is smaller than the lower thickness of the second heat insulation layer. The first heat insulation layer 22 and the second heat insulation layer 23 are both made of non-metal materials with strong heat resistance, and the configurations of the first heat insulation layer 22 and the second heat insulation layer 23 at the joint surfaces can be matched. More specifically, the surface of the heat insulation board 2 where the first heat insulation layer 22 is located is attached to the heat insulation surface of the side sealing board 1, and the surface of the heat insulation board 2 where the second heat insulation layer 23 is located is attached to the heat insulation surface of the supporting board 4. More specifically, the side sealing plate supporting device further comprises a first bolt 5, the second heat insulation layer 23 of the heat insulation plate 2 is fixedly connected with the supporting plate 4 through the first bolt 5, and the first bolt 5 is preferably a ceramic bolt. Furthermore, the second heat insulation layer 23 of the heat insulation plate 2 is fixedly connected with the support plate 4 through the first bolt 5, bolt holes are respectively formed in the upper portion and the lower portion of the second heat insulation layer 23, a threaded hole is formed in the support plate 4 corresponding to the bolt hole in the second heat insulation layer 23, one surface, which is combined with the first heat insulation layer 22, of the second heat insulation layer 23 is located on the surface, the bolt hole is inwards recessed to form the bolt head accommodating cavity 14, and the first bolt 5 penetrates through the bolt hole in the second heat insulation layer 23 from the bolt head accommodating cavity 14 and then is in threaded connection with and fastened to the threaded hole in the support plate 4.
External abutment means 13 apply an abutment force to the side closure plates 1 to urge the side closure plates 1 against the side end faces of the casting rolls 9 so that the side closure plates 1 and the casting rolls 9 enclose a structurally stable molten steel bath. The external urging means 13 applies a large urging force to the side sealing plates 1, so that the clearance between the side sealing plates 1 and the end faces of the casting rolls 9 can be made as small as possible to prevent molten steel from leaking out of the clearance. A support plate 4 is provided between the external abutment means 13 and the side closure plates 1, the support plate 4 being formed of a metallic material, typically steel, which is relatively strong, and the external abutment means 13 exerting an abutment force on the support plate 4, which in turn supports the side closure plates 1 against the casting rolls 9 by the support plate 4. However, because the support plate 4 of metal material can not tolerate high temperature, consequently, still be provided with the heat insulating board 2 between side seal board 1 and support plate 4, the heat insulating board 2 can guarantee on the one hand that support plate 4 does not receive the influence of high temperature side seal board 1 and soften, and on the other hand still can keep warm to side seal board 1, prevents that its temperature drop is too big. Before strip casting, side seal plates 1 are usually heated in a heating furnace, and then side seal plates 1 are taken out and mounted on the end faces of casting rolls 9, and casting is started, and in the process, side seal plates 1 lose a large amount of heat and deform, wherein the maximum deformation is the lower area of side seal plates 1, so that the gap between side seal plates 1 and casting rolls 9 is uneven. In the present embodiment, the first heat insulating layer 22 has better compressible deformation performance than the second heat insulating layer 23, and the upper thickness of the first heat insulating layer 22 is greater than the lower thickness, and the upper thickness of the second heat insulating layer 23 is less than the lower thickness, which has the effect that when the external tightening device 13 applies a tightening force to the tightening surface of the supporting plate 4, the upper portion of the whole heat insulating plate 2 is more easily compressed and deformed than the lower portion thereof, under the same tightening force, the force applied to the lower portion of the side sealing plate 1 will exceed the upper portion, and the relatively large thermal deformation of the lower portion of the side sealing plate 1 can be corrected, so that the deformation of the lower portion of the side sealing plate 1 can be similar to the deformation of the upper portion, thereby ensuring the uniform gap between the side sealing plate 1 and the casting roll 9, and effectively preventing the molten steel from leaking during the strip casting process.
The side sealing plates 1 are heated to 1100 ℃ before casting, and before casting, the side sealing plates 1 are taken out of the heating furnace and supported and tightly pressed on the end surfaces of the casting rolls 9 by an external pressing device 13. The casting starts with the casting rolls 9 starting to rotate towards each other and the casting operation starts at least 30 seconds later. The time interval from the removal of the side seal plates 1 from the heating furnace to the abutment against the end surfaces of the casting rolls 9 is calculated based on the time interval, and the amount of deformation of the side seal plates 1 is calculated based on the calculated amount of deformation, so that the optimum value of the abutment force applied to the side seal plates 1 by the external abutment device 13 can be obtained. The deformation of the side sealing plate 1 is from the relation curve of the thermal deformation and the temperature drop time of the side sealing plate 1 calculated by adopting a finite element model, after the side sealing plate 1 is taken out of the heating furnace, the thermal deformation can also change along with the temperature drop, and the side sealing plate 1 is tightly pressed on the end surface of the casting roller 9 by adopting a proper pressing force, so that the deformation of the side sealing plate 1 can be corrected.
Preferably, the first heat-insulating layer 22 of the heat-insulating plate 2 is made of ceramic fibers, and the thickness thereof is generally 5-10mm, and the second heat-insulating layer 23 of the heat-insulating plate 2 is made of mullite, and the thickness thereof is generally 40-65mm, and by adopting the above materials and thicknesses, the heat-insulating plate 2 has better heat-insulating effect and thermal deformation correction effect on the lower portion of the side sealing plate 1.
In the present embodiment, one surface of the second thermal insulation layer 23 has an upper portion recessed inward, and the recess forms a space. More specifically, the surface of the second thermal insulation layer 23 which is attached to the support plate 4 is recessed inward at the upper portion thereof, and the recess forms the space 10 between the second thermal insulation layer 23 and the support plate 4. The space 10 is arranged on the upper part of the second heat insulation layer 23, so that the heat conduction capability of the upper part of the heat insulation plate 2 is further reduced and the heat insulation plate is more easily compressed and deformed, the effect that the upper part of the whole heat insulation plate 2 is more easily compressed and deformed than the lower part is enhanced, the specific depth of the space 10 can be determined according to the actual effect in production practice, and the deeper the depth of the space 10 is, the better the compressibility of the upper part of the heat insulation plate 2 is.
Referring to fig. 2 and 3, the side sealing plate supporting device further includes a second bolt 6, the second bolt 6 may be a ceramic bolt, the stopper 7 is specifically installed at the lower portion of the supporting plate 4, the lower portion of the supporting plate 4 bends and extends towards the side of the heat insulation plate 2 to form a horizontal sliding platform 12, the stopper 7 is placed on the sliding platform 12 and is in sliding contact with the sliding platform 12, a threaded hole is formed in the end face of the stopper 7 facing the supporting plate 4, a guide hole 8 is formed in the position, corresponding to the threaded hole of the stopper 7, of the supporting plate 4, the guide hole 8 is a horizontal elongated hole, and the second bolt 6 is in threaded connection with the threaded hole of the stopper 7 after passing through the guide hole 8 from the outer side of the supporting plate 4. More specifically, the end surface of the stopper 7 facing the support plate 4 is provided with a threaded hole, and a metal threaded insert 11 is inserted into the end surface of the stopper 7 on the outer side, and the threaded hole is a threaded hole in the threaded insert 11. When the strip caster is used for normal casting, the stop 7 can rub the edge of the strip, and after a period of time, the stop 7 is worn by the strip to form a deep grinding mark, so that the deep grinding mark continuously rubs the edge of the strip, and the quality defect of the edge of the strip can be caused. In the original device, the stopper is fixedly installed, if the grinding mark on the stopper is too deep, a new stopper must be replaced to avoid causing quality defects of the edge of the thin strip, and the stopper 7 in the embodiment has a certain transverse free moving distance in the range of the guide hole 8 relative to the support plate 4, when the part of the stopper 7 facing the thin strip is ground to be a deeper grinding mark, the second bolt 6 can be loosened and the stopper 7 can be transversely moved by a certain distance, so that the part of the stopper 7 with a smooth upper surface and not worn is facing the thin strip, and then the second bolt 6 is screwed again, so that the new stopper does not need to be replaced, the service life of the stopper 7 is greatly prolonged, the consumption of parts of the stopper 7 in the normal production process is reduced, and the production cost is saved.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A support device for side seal plates between rolls of a twin roll strip caster, which is provided at one side end of a casting roll (9), characterized in that: the side sealing plate supporting device comprises a side sealing plate (1), a heat insulation plate (2), a supporting plate (4) and a stop block (7); one surface of the side sealing plate (1) is a working surface, and the other surface of the side sealing plate (1) is a heat insulation surface; one surface of the supporting plate (4) is a heat insulation surface, and the other surface of the supporting plate (4) is a top tight surface; the heat insulation plate (2) is arranged between the heat insulation surface of the side sealing plate (1) and the heat insulation surface of the support plate (4), and two surfaces of the heat insulation plate (2) are respectively attached to the heat insulation surface of the side sealing plate (1) and the heat insulation surface of the support plate (4); the working surface of the side sealing plate (1) is in fit contact with the end surface of the casting roll (9), and an external jacking device (13) exerts jacking pressure on the jacking surface of the supporting plate (4), so that the side sealing plate (1), the heat insulation plate (2) and the supporting plate (4) are jacked on the end surface of the casting roll (9) together; the stop block (7) is arranged at the lower part of the support plate (4), and the upper end surface of the stop block (7) is propped against the lower end of the side sealing plate (1); the heat insulation plate (2) comprises a first heat insulation layer (22) and a second heat insulation layer (23) which are attached together, the material of the first heat insulation layer (22) has better compressible deformation performance compared with the material of the second heat insulation layer (23), the upper thickness of the first heat insulation layer (22) is larger than the lower thickness of the first heat insulation layer, and the upper thickness of the second heat insulation layer (23) is smaller than the lower thickness of the second heat insulation layer.
2. The twin roll strip caster roll-to-roll side seal plate support apparatus as claimed in claim 1 wherein: the side where the first heat insulation layer (22) of the heat insulation plate (2) is located is attached to the heat insulation face of the side sealing plate (1), and the side where the second heat insulation layer (23) of the heat insulation plate (2) is located is attached to the heat insulation face of the supporting plate (4).
3. The twin roll strip caster roll-to-roll side seal plate support apparatus as claimed in claim 2 wherein: and the upper part of one surface of the second heat insulation layer (23) is inwards sunken, and the sunken part forms a space.
4. The apparatus for supporting roll-to-roll side sealing plates of a twin roll strip caster as claimed in claim 3, wherein: the upper part of one surface, attached to the support plate (4), of the second heat insulation layer (23) is sunken inwards, and the sunken part forms a gap (10) between the second heat insulation layer (23) and the support plate (4).
5. The twin roll strip caster roll-to-roll side seal plate supporting apparatus as claimed in any one of claims 2 to 4, wherein: the side sealing plate supporting device further comprises a first bolt (5), and a second heat insulation layer (23) of the heat insulation plate (2) is fixedly connected with the supporting plate (4) through the first bolt (5).
6. The twin roll strip caster roll-to-roll side seal plate support apparatus as claimed in claim 5 wherein: the bolt head heat insulation plate is characterized in that a second heat insulation layer (23) of the heat insulation plate (2) is fixedly connected with a support plate (4) through a first bolt (5), bolt holes are formed in the upper portion and the lower portion of the second heat insulation layer (23), a threaded hole is formed in the support plate (4) corresponding to the bolt hole in the second heat insulation layer (23), one surface, combined with a first heat insulation layer (22), of the second heat insulation layer (23) is located on the one surface, the bolt hole is inwards sunken to form a bolt head accommodating cavity (14), and the first bolt (5) is formed in a mode that the bolt head accommodating cavity (14) penetrates through the bolt hole in the second heat insulation layer (23) and then is in threaded connection with and fastened with the threaded hole in the support plate (4).
7. The roll-to-roll strip caster roll-to-roll side seal plate supporting apparatus as claimed in claim 1 or 2, wherein: the material of the first heat-insulating layer (22) of the heat-insulating plate (2) is ceramic fiber, and the material of the second heat-insulating layer (23) of the heat-insulating plate (2) is mullite.
8. The twin roll strip caster roll-to-roll side seal plate support apparatus as claimed in claim 1 wherein: side seal board strutting arrangement still includes second bolt (6), dog (7) are installed in the lower part of backup pad (4) and are done, the lower part of backup pad (4) is to heat insulating board (2) lateral buckling extension formation horizontally sliding platform (12), dog (7) are placed on sliding platform (12) and with sliding platform (12) sliding contact, set up the screw hole on the terminal surface of dog (7) towards backup pad (4), correspond the screw hole department of dog (7) and seted up guiding hole (8) on backup pad (4), guiding hole (8) are horizontally rectangular hole, second bolt (6) pass behind guiding hole (8) and the screw hole threaded connection on dog (7) by the outside of backup pad (4).
9. The twin roll strip caster roll-to-roll side seal plate support apparatus as claimed in claim 8 wherein: the end face, facing the supporting plate (4), of the stop block (7) is provided with a threaded hole, a threaded nesting sleeve (11) made of metal materials is embedded into the end face, facing the outer side of the stop block (7), of the stop block, and the threaded hole is a threaded hole in the threaded nesting sleeve (11).
10. The roll-to-roll strip caster roll-to-roll side seal plate support apparatus of claim 8 or 9, wherein: the second bolt (6) is a ceramic bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224835.0A CN113441690B (en) | 2020-03-26 | 2020-03-26 | Supporting device for side sealing plates between rollers of double-roller thin-strip continuous casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224835.0A CN113441690B (en) | 2020-03-26 | 2020-03-26 | Supporting device for side sealing plates between rollers of double-roller thin-strip continuous casting machine |
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| Publication Number | Publication Date |
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| CN113441690A true CN113441690A (en) | 2021-09-28 |
| CN113441690B CN113441690B (en) | 2022-09-20 |
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| CN202010224835.0A Active CN113441690B (en) | 2020-03-26 | 2020-03-26 | Supporting device for side sealing plates between rollers of double-roller thin-strip continuous casting machine |
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