KR102326862B1 - Roller apparatus and casting systems - Google Patents

Abstract

The present invention relates to a roller apparatus and a casting plant, comprising: a hollow housing having both sides facing each other open; a roller part provided in the housing so that at least a portion thereof is exposed to the outside of the housing and disposed to cross the housing; and a buffer unit provided in the housing to move the roller unit in a direction intersecting the direction in which the roller unit is disposed.

Description

Roller apparatus and casting systems

The present invention relates to a roller apparatus and a casting facility, and more particularly, to a roller apparatus and a casting facility capable of suppressing deformation due to an external force and facilitating maintenance.

In general, slabs are manufactured while the molten steel accommodated in the mold is cooled through a cooling zone. For example, in the continuous casting process, molten steel is poured into a mold having a certain internal shape, and a cast steel reacted in the mold is continuously drawn to the lower side of the mold to manufacture semi-finished products of various shapes such as slabs, blooms, billets, beam blanks, etc. it is fair

In the continuous casting process, the slab is cooled first in the mold, and after passing through the mold, water is sprayed on the slab and cooled, and solidification proceeds through the process of secondary cooling. The slab is cooled primarily in the mold, and the slab drawn from the mold is secondary cooled while passing through the cooling line at the bottom of the mold. When passing through this cooling line, pressure is applied to the upper and lower surfaces of the cast by the guide roll of the segment, and pressure is applied to both sides of the cast by the roller device provided on both sides of the cast, and A cooling medium such as cooling water is injected into the cast by the cooling water injector.

The cast slab drawn from the mold is not completely solidified, and unsolidified molten steel may be present inside the cast slab. Accordingly, when pressure is applied to the upper and lower surfaces of the slab by the guide roll of the segment, the unsolidified molten steel inside the slab moves to both sides of the slab, causing a bulging phenomenon in which the side of the cast convexly protrudes, or In severe cases, cast rupture may occur. Therefore, the occurrence of such a phenomenon is suppressed by providing roller devices on both sides of the slab to guide the side surfaces of the slab.

Such a roller device includes a support provided to extend in the vertical direction at the lower portion of the mold, and a plurality of roller units spaced apart from the support in the vertical direction. In this case, the support may be formed in a plate shape, and the plurality of roller units may be fixedly installed on a bracket provided on one surface of the support.

However, since the support of the roller device is formed in a plate shape, there is a problem that the impact generated when the roller part comes into contact with the cast is transmitted as it is and is easily deformed. When the support is deformed in this way, the position of the roller part connected to the support is also changed, so that the side of the slab cannot be properly guided, or the roller part does not rotate properly, so there is a problem that may cause defects on the surface of the slab.

In addition, when the slab burst phenomenon occurs, the molten steel flowing out from the slab may be attached over the entire roller portion as well as the plate-shaped support. In this case, the support body is thermally deformed by the heat of the molten steel, and as the molten steel solidifies, a problem may occur, such as the need to repair or replace the entire roller device by forming a mold on the roller part as well as the support body.

US 10-1197850 B US 20-0178739 B

The present invention provides a roller device and a casting facility capable of suppressing deformation due to external force by securing rigidity.

SUMMARY OF THE INVENTION The present invention provides a roller apparatus and casting equipment that can facilitate replacement and maintenance.

A roller device according to an embodiment of the present invention includes: a hollow housing in which both sides facing each other are open; a roller part provided in the housing so that at least a portion thereof is exposed to the outside of the housing and disposed to cross the housing; and a buffer unit provided in the housing to move the roller unit in a direction crossing the direction in which the roller unit is disposed in order to buffer the external force applied to the roller unit by contact with the object to be processed. have.

The housing may include an upper plate; side plates connected to both sides of the upper plate to extend in the vertical direction; and a first support frame connected to the side plate.

The side plate may include a slit extending in a horizontal direction, and the slit may be formed such that one side of the slit is opened to insert and support at least a portion of the roller unit.

The roller unit may include: a shaft whose edge is inserted into the slit; a roller body provided to surround the central portion of the shaft; and a connecting member provided between the shaft and the roller body to rotatably connect the roller body to the shaft.

The roller unit may include a moving member connected to the shaft to movably support the shaft to the slit.

The buffer unit may include: a contact member capable of contacting at least a portion of the roller unit; a support member connected to the first support frame; and a first elastic body that is stretchable in a direction in which the slit extends and is provided to contact the contact member and the support member.

The contact member may include a contact plate having a space accommodating at least a portion of the roller body on one surface and provided to be in contact with at least one of the shaft and the connecting member; and a first guide rod connected to the other surface of the contact plate in a direction in which the slit extends to guide the movement direction of the contact plate.

The support member may include a support providing a space for accommodating at least a portion of the first elastic body; and a fixing member for connecting the support to the first support frame, wherein the first guide rod may be disposed to pass through the support.

An end of the first guide rod may be exposed to the outside of the support, and a stopper may be provided at an end of the first guide rod.

The fixing member may adjust a distance between the support and the contact member.

The buffer unit may include a second guide rod disposed in a direction crossing the longitudinal direction of the shaft, passing through the shaft and inserted into the slit; a second elastic body provided to surround the second guide rod on at least one side of the shaft; and a support rod connected to the housing to fix the second guide rod inside the slit.

The second elastic body may be provided to have different lengths from one side of the shaft and the other side of the shaft.

Casting equipment according to an embodiment of the present invention is provided in the lower portion of the mold, the housing is arranged on both sides in the width direction of the cast slab drawn from the mold; a plurality of roller parts provided to be vertically spaced apart from each other in the housing so as to be in contact with the slab; and a buffer for independently moving the plurality of rollers so as to buffer the external force due to contact with the cast slab.

The housing is provided so as to extend in the vertical direction from which the slab is drawn, the front facing the slab and the rear facing the front may be opened.

The housing may include a slit for supporting the roller unit to be movable in the front-rear direction of the housing.

The buffer unit may include an elastic body that can be stretched and contracted in the front-rear direction of the housing.

The elastic body may be provided to be in contact with at least a portion of the roller part.

The buffer unit may be provided in the same number as the roller unit.

and a spraying part connected to the housing to spray the cooling medium to the cast, and the spraying part may be connected to the rear of the housing.

The roller apparatus and casting equipment which concern on embodiment of this invention can suppress deformation by external force by ensuring rigidity. By forming the support body of the roller device as a frame-shaped housing, the force applied from the outside can be easily dispersed. In addition, it is possible to prevent the molten steel that can flow out of the cast slab from stagnating in the housing during casting, thereby reducing the deformation of the housing and the adhesion of the metal, thereby facilitating maintenance.

In addition, by installing a plurality of roller units constituting the roller device to be movable independently of each other in the housing, roller units of various diameters can be easily applied, and the pressure applied to the roller unit is reduced from being transmitted to the housing to reduce the pressure on the housing. deformation can be minimized.

1 is a view schematically showing a casting equipment according to an embodiment of the present invention.
Figure 2 is a front perspective view of a roller device according to an embodiment of the present invention.
Fig. 3 is a sectional view of the roller device taken along the line A-A' shown in Fig. 2;
Fig. 4 is a sectional view of the roller device taken along the line B-B' shown in Fig. 2;
5 is a rear perspective view of a roller device according to an embodiment of the present invention.
6 is a view showing a use state of the roller device according to an embodiment of the present invention.
7 is a side view of a roller device according to a modified example of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, and only these embodiments allow the disclosure of the present invention to be complete, and the scope of the invention to those of ordinary skill in the art completely It is provided to inform you. In order to explain the invention in detail, the drawings may be exaggerated, and like numerals refer to like elements in the drawings.

1 is a view schematically showing a casting facility according to an embodiment of the present invention.

1, the casting equipment according to an embodiment of the present invention is provided in the lower portion of the mold 10, the housing 100 is disposed on both sides in the width direction of the cast steel (S) drawn from the mold (10) And, a buffer part 300 for independently moving a plurality of roller parts 200 and a plurality of roller parts 200 provided to be vertically spaced apart from each other in the housing 100 so as to be in contact with the cast slab (S). It may include a roller device comprising a. In addition, the casting equipment according to an embodiment of the present invention may include a spraying unit 400 for spraying the cooling medium to the cast (S).

2 is a front perspective view of a roller device according to an embodiment of the present invention, FIG. 3 is a cross-sectional view of the roller device taken along the line A-A' shown in FIG. 2, and FIG. 4 is a line B-B shown in FIG. It is a cross-sectional view of the roller device according to '.

2 to 4 , the roller device according to an embodiment of the present invention is a hollow housing 100 having both sides facing each other open, and a cast slab (S) inside the housing 100 so as to be in contact with each other. provided in the housing 100 to move the roller unit 200 and the roller unit 200 in a direction crossing the direction in which the roller unit 200 is disposed to cross the housing 100 It may include a buffer unit 300 .

The housing 100 is provided under the mold 10 and may be provided to face the side of the cast S drawn from the mold 10 . At this time, the housing 100 may be arranged in parallel with the cast steel (S).

The housing 100 may include an upper plate 110 and a side plate 120 provided to extend vertically from both sides of the upper plate 110 . In this case, the housing 100 may further include a lower plate (not shown) facing the upper plate 110 . At this time, the longitudinal direction of the housing 100 means a vertical direction, and the width direction of the housing 100 means a direction crossing the front and rear of the housing 100 in a horizontal direction or a direction in which the roller unit 200 is disposed. can In addition, in the housing 100, the side facing the cast slab (S), that is, the side adjacent to the cast slab (S) is referred to as the front, the opposite direction of the front is referred to as the rear, and the direction from the front to the rear or from the rear to the front is the housing ( 100) may mean a depth direction. In addition, the front may mean a direction facing the cast (S), the rear may mean a direction facing the front.

In addition, the housing 100 interconnects the side plate 120 at the rear of the housing 100 in order to connect the buffer unit 300 , that is, a first support frame disposed to cross the rear of the housing 100 . 130 may be included. A plurality of first support frames 130 may be provided to be spaced apart from each other in the vertical direction of the housing 100 . In this case, the buffer unit 300 may be provided in the same number as the roller unit 200 , and the first support frame 130 may be provided in the same number as the roller unit 200 or the buffer unit 300 .

In addition, the housing 100 may include a second support frame 140 that interconnects the side plate 120 at the rear of the housing 100 in order to connect the injection unit 400 . In this case, the second support frame 140 may be disposed in parallel with the first support frame 130 , and may be provided so as not to overlap the first support frame 130 .

A first fixing hole 112 and a first fixing groove 114 may be formed in the upper plate 110 of the housing 100 . The first fixture 112 may be formed to penetrate the upper plate 110 , and may be formed to extend in the depth direction of the housing 100 . The first fixing groove 114 may be formed to be depressed in the upper surface of the upper plate 110 at the rear of the housing 100 .

And it may include a fixing member 500 for connecting the housing 100 to the mold (10). The fixing member 500 may include a first fixing member 510 connected to an upper portion of the housing 100 and a second fixing member 520 connected to the rear of the housing 100 . At this time, the first fixing member 510 may include a first fixing member 510 for connecting to the first fixing member 112 and a second fixing member 520 for connecting to the first fixing groove 114 . can The first fixing member 510 is disposed in the vertical direction, the upper portion is connected to the mold 10 , and the lower portion is the first fixing rod 512 inserted into the first fixture 112 , and the upper plate 110 . It may include a first fixing nut 514 fastened to the lower portion, that is, an end of the first fixing rod 512 in the interior of the housing 100 . At this time, when the housing 100 is disposed in the lower part of the mold 10 so as to adjust the distance between the housing 100 and the cast slab S, the first fixing rod 512 has a first fastener 112 extended. It can be moved in any direction. The second fixing member 520 may include a second fixing rod 522 arranged in a horizontal direction and a second fixing nut 524 .

As described above, the housing 100 may be firmly fixed to the mold 10 by using the first fixing member 510 and the second fixing member 520 .

A slit 122 for connecting the roller unit 200 may be formed in the side plate 120 of the housing 100 . The slit 122 may be formed to extend from the front to the rear of the side plate 120 or in the depth direction of the housing 100 . In this case, one side of the slit 122 , for example, the front side, is opened so that the roller unit 200 can be inserted into the housing 100 from the front of the housing 100 . The slit 122 may be formed to be longer than the diameter of the shaft 210 of the roller unit 200 so as to move the roller unit 200 in the front and rear directions of the housing 100 .

The roller unit 200 is provided inside the housing 100 , and at least a part of it may be exposed to the outside of the housing 100 so as to be in contact with the slab S, which is a processing target. A plurality of roller units 200 may be provided to be spaced apart from each other in the longitudinal direction of the housing 100 , that is, in the vertical direction. Accordingly, the roller 200 may contact the side surface of the cast slab S drawn from the mold 10 to guide the movement of the cast slab (S).

The roller part 200 is disposed in the width direction of the housing 100 to cross the housing 100 , and the shaft 210 having both ends inserted into the slit 122 and the shaft 210 are provided to surround the central portion of the shaft 210 . and may include a roller body 220 rotatably connected to the shaft 210 . In this case, the roller unit 200 may include a connection member 230 provided between the shaft 210 and the roller body 220 to relatively rotate the roller body 220 with respect to the shaft 210 . The connecting member 230 may include a bearing block, etc., in which an inner side in contact with the shaft 210 is a fixed side, and an outer side in contact with the roller body 220 is a free side. In this case, a part of the connecting member 230 may be provided inside the roller body 220 , and the rest may be exposed to the outside of the roller body 220 . A part of the connecting member 230 exposed to the outside of the roller body 220 may constitute a part of the fixed side that does not rotate. The connection member 230 may include a spring bearing having good heat resistance, impact resistance, and stain resistance. In addition, the housing 100 may be provided with a feeding unit 430 for supplying a lubricant to the connecting member 230 .

In addition, the roller unit 200 may include a moving member 240 connected to the edge of the shaft 210 . The moving member 240 may be provided to surround the edge of the shaft 210 , and may serve to support the shaft 210 to move along the slit 122 . For example, a concave-convex structure including grooves and protrusions is formed on the surface of the slit 122 , and grooves and protrusions engaged with the grooves and protrusions formed on the surface of the slit 122 may be formed on the surface of the moving member 240 . .

Through such a configuration, the replacement operation of the roller unit 200 can be facilitated. That is, the roller unit 200 can be installed in the housing 100 through the operation of inserting the shaft 210 into the slit 122 , and from the housing 100 through the operation of removing the shaft 210 from the slit 122 . The roller unit 200 may be separated.

In addition, since the roller unit 200 is movably connected to the slit 122 , it is possible to apply the roller unit 200 having various diameters.

The buffer unit 300 is provided at the rear of the roller unit 200 in the interior of the housing 100 so that the roller unit 200 intersects the front and rear of the housing 100, for example, on the side surface of the cast slab (S). can be moved to The buffer unit 300 is provided in the same number as the roller unit 200, so that each of the roller units 200 can be moved independently. Referring to FIG. 4 , the buffer unit 300 supports at least a portion of the roller unit 200 and a contact member 310 , a support member 320 connected to the housing 100 , and the contact member 310 . A first elastic body 333 provided between the members 320 may be included.

The contact member 310 may be provided in the housing 100 to be in contact with at least a portion of the roller unit 200 . In this case, the contact member 310 may be provided to be in contact with a portion of the non-rotating connection member 230 , for example, a fixed side, without contacting the rotatable roller body 220 . Alternatively, the contact member 310 may be provided to be in contact with the non-rotating shaft 210 , or a portion of the shaft 210 and the connecting member 230 , for example, may be provided to be in contact with the fixed side at the same time. The contact member 310 is formed with a space capable of accommodating at least a portion of the roller body 220 from one side, for example, the rear of the roller unit 200 on one surface, and at least one of the shaft 210 and the connecting member 230 . It may include a contact plate 312 provided to be in contact with one, and a first guide rod 334 connected to the rear surface of the contact plate 312 . The contact plate 312 may be formed as a single structure, or may be formed as an assembly in which two structures are connected to each other using a fixing bolt 316 as shown in FIG. 4 . The first guide rod 334 may be connected to the contact plate 312 to guide the movement of the contact plate 312 . The first guide rod 334 may be connected to the rear surface of the contact plate 312 , that is, the surface facing the support member 320 so as to extend in the direction in which the slit 122 extends, for example, in the depth direction of the housing 100 . .

And the support member 320 may be provided at the rear of the contact member 310 inside the housing 100 . The support member 320 may be connected to the first support frame 130 provided to cross the rear of the housing 100 . The support member 320 includes a support 322 that provides a space for accommodating at least a portion of the first elastic body 333 therein, and a third for fixing the support 322 to the first support frame 130 . A fixing member 324 may be included. The support 322 may be formed in a hollow shape in which one side or the front facing the contact member 310 is opened. And a first flange 322a for connecting the third fixing member 324 to one side opened from the support 322 may be formed along the circumferential direction of the support 322 .

In addition, a through hole 322b passing through the support 322 may be formed at the other side of the support 322 . The through hole 322b is for penetrating the first guide rod 334 of the contact member 310, and when the roller unit 200 moves, the first guide rod 334 is inserted into the through hole 322b and the roller unit ( 200) can guide the movement. And the end of the first guide rod 334 may be provided to extend to the outside of the support 322 through the through hole 322b, the end of the first guide rod 334 of the first guide rod (334) A stopper 336 for preventing the end from being separated from the through hole 322b may be connected. And in order to prevent the end of the first guide rod 334 or the stopper 336 from colliding with the first support frame 130 when the first guide rod 334 moves, the first support frame 130 has a stopper ( A through hole 130a into which the 336 may be inserted may be formed.

The third fixing member 324 includes a third fixing rod 324a and a third fixing rod 324a for interconnecting the first flange 322a and the first support frame 130 formed on the support 322 . A third fixing nut 324b for fixing to the first supporting frame 130 may be included.

At least a portion of the first elastic body 333 may be accommodated in the support 322 . That is, a portion of the first elastic body 333 may be accommodated in the support 322 , and the rest may be exposed to the outside of the support 322 . In this case, the first elastic body 333 exposed to the outside of the support 322 may contact the contact plate 312 . In this case, the first elastic body 333 may be accommodated in the support body 322 so as to be stretchable in the front-rear direction of the housing 100 . The first elastic body 333 may include a spiral-shaped volute spring as shown in FIG. 4 . As long as the first elastic body 333 can move the roller part 200 in the front and rear directions of the housing 100 , the shape or material thereof is not limited thereto.

On the other hand, the third fixing member 324 serves to connect the support body 322 to the first support frame 130 , and at the same time aligns the roller part 200 , that is, aligns the position of the roller part 200 . can do. That is, the third fixing member 324 can adjust the positions of the support body 322 and the first elastic body 333 by adjusting the length of the third fixing rod 324a using the third fixing nut 324b. Accordingly, the positions of the roller unit 200 may be aligned by changing the positions of the contact plate 312 and the roller unit 200 that are in contact with the first elastic body 333 . For example, when the roller body 220 of the roller unit 200 is worn, the length of the third fixing rod 324a is extended to move the support 322 and the first elastic body 333 toward the front side of the housing 100 . The contact plate 312 and the roller unit 200 may be moved to the front side of the housing 100 , for example, to the slab (S) side.

5 is a rear perspective view of a roller device according to an embodiment of the present invention.

Referring to FIG. 5 , the injection unit 400 may be provided at the rear of the housing 100 to inject a cooling medium, such as cooling water, to the front side, that is, the cast slab (S). The injection unit 400 includes an upper injection unit 410 for injecting a cooling medium to the cast slab S through between the roller units 200, and a lower injecting unit 420 for injecting a cooling medium to the slab from the lower part of the roller device. ) may be included.

The upper injection unit 410 includes an upper pipe 411 used as a movement path of the cooling medium, and an upper nozzle 412 branched from the upper pipe 411 to inject the cooling medium between the roller units 200 . can The upper pipe 411 may be connected to the second support frame 140 through the fourth fixing member 440 to extend in the vertical direction. In this case, a second flange 413 for connecting the fourth fixing member 440 may be formed in the upper pipe 411 .

The lower injection part 420 may be connected to the lower part of the upper injection part 410 so as to spray the cooling medium to the cast slab S from the lower part of the roller device, for example, the lower part of the housing 100 . The lower injection part 420 is a lower pipe 421 connected to the lower part of the upper pipe 411 so as to communicate with the inside of the upper pipe 411, and a lower pipe 421 to inject a cooling medium to the cast S. It may include a lower nozzle 422 branched from.

As described above, since the injection unit 400 is connected to the second support frame 140 at the rear of the housing 100 , there is an advantage in that it is easy to separate from the housing 100 .

6 is a view showing a use state of the roller device according to an embodiment of the present invention.

Referring to (a) of Figure 6, in the roller device according to the embodiment of the present invention, when an external force is applied to the roller part 200 by contact with the slab (S), which is the object to be processed, the roller part 200 is It moves to the rear of the housing 100 along the slit 1220 . Accordingly, the contact member 310 in contact with the roller 200 may be pushed to the rear of the housing 100 , and the first elastic body 333 in contact with the contact member 310 may contract. As such, when the first elastic body 333 is contracted, the external force applied to the roller part 200 is buffered, and transmission of the external force to the housing 100 can be reduced or suppressed.

On the other hand, as shown in (b) of FIG. 6 , when the external force applied to the roller unit 200 is removed, the first elastic body 333 is extended to push the contact member 310 to the front of the housing 100 . can Accordingly, the roller unit 200 in contact with the contact member 310 may move toward the front of the housing 100 to return to its original state.

Through this action, it is possible to reduce or suppress that the pressure applied by the cast steel (S) is transmitted to the housing (100). The roller unit 200 is movably connected to the housing 100, and since most of the pressure applied to the roller unit 200 is absorbed by the buffer unit 300, by the pressure applied to the roller unit 200, the housing ( 100) can be prevented from being deformed. In addition, since the housing 100 is formed in a frame shape in which the front and the rear are open, the pressure applied to the roller part 200 is distributed throughout the housing 100, so that the deformation of the housing 100 can be more effectively suppressed. . In addition, since the housing 100 is formed in a frame shape, when the slab (S) burst occurs, the molten steel flowing out from the slab (S) can be immediately discharged to the outside of the housing 100, so the roller by the molten steel Damage to the device can be minimized.

In addition, since the roller device according to an embodiment of the present invention can independently move each of the plurality of roller units 200 using the buffer unit 300 , any one of the plurality of roller units 200 . Even if pressure is applied to 200 , it is possible to suppress the influence on the entire housing 100 . In addition, it is possible to reduce or suppress abrasion of the surface of the roller body 220 .

7 is a side view of a roller device according to a modified example of the present invention.

Referring to FIG. 7 , the roller device according to a modified example of the present invention includes a hollow housing 100 in which both sides facing each other are open, and a roller provided inside the housing 100 so as to be in contact with the cast slab (S). It may include a buffer part 600 provided in the housing 100 to move the part 200 and the roller part 200 in the width direction of the cast slab (S).

The roller device according to the modified example of the present invention has a structure substantially similar to the roller device according to the embodiment of the present invention described above except for the buffer unit 600 .

The buffer unit 600 is disposed in a direction in which the slit 122 extends inside the slit 122 , and includes a second guide rod 610 provided to pass through the shaft 210 , and a second guide rod 610 . A support rod 630 connected to the housing 100 to support the second guide rod 610 inside the second elastic body 620 and the slit 122 provided to surround it may be included.

The second guide rod 610 may be formed to have a smaller diameter than the diameter of the shaft 210 . The second guide rod 610 may be disposed to extend in a direction crossing the extending direction of the shaft 210 , for example, in a depth direction of the housing 100 . In addition, the second guide rod 610 may be disposed to pass through the shaft 210 , and the shaft 210 may be provided to be movable along a direction in which the second guide rod 610 extends.

In addition, a second elastic body 620 may be provided on the second guide rod 610 . At this time, the second elastic body 620 may be expanded or contracted in the depth direction or front and rear of the housing 100 . The second elastic body 620 may be provided to surround the second guide rod 610 , and may be provided on one side or both sides of the shaft 210 .

When the second elastic body 620 is provided on both sides of the shaft 210, the two second elastic bodies 620 may have different lengths. For example, when the roller body 220 is worn, the roller body 220 may not properly contact the side of the cast slab (S). In this case, the second elastic body 620 provided at the rear of the shaft 210 is longer than the second elastic body 620 provided at the front of the shaft 210, and the roller unit 200 is cast as a slab (S). By advancing to the side, the roller body 220 can be smoothly brought into contact with the side surface of the cast slab (S).

The support rod 630 may be connected to the front surface of the side plate 120 to close the slit 122 . At this time, a first insertion groove 123 into which one end of the second guide rod 610 can be inserted may be formed on the other side of the slit 122 in contact with one end of the second guide rod 610 , and the second A second insertion groove 632 into which the other end of the second guide rod 610 can be inserted may be formed on one surface of the support rod 630 in contact with the other end of the guide rod 610 .

When pressure is applied to the roller unit 200 by the cast steel S through this configuration, the pressure is transmitted to the second elastic body 620 to contract, and the roller unit 200 is movable.

In the above, the present invention has been described with reference to the above-described embodiments and the accompanying drawings, but the present invention is not limited thereto and is defined by the claims to be described later. Therefore, those of ordinary skill in the art will appreciate that the present invention can be variously modified and modified within the scope without departing from the spirit of the claims to be described later.

10: mold 100: housing
122: slit 200: roller unit
300, 600: buffer unit 400: injection unit

Claims (19)

A hollow housing in which both sides facing each other are open;
a roller part provided in the housing so that at least a part thereof is exposed to the outside of the housing in order to contact the object to be processed, and disposed to cross the housing; and
In order to buffer the external force applied to the roller part by contact with the object, a buffer part provided in the housing to move the roller part in a direction crossing the direction in which the roller part is arranged;
The roller unit,
a shaft movably supported by the housing;
a roller body provided to surround the central portion of the shaft; and
and a connecting member for rotatably connecting the roller body to the shaft.
A part of the connecting member is disposed inside the roller body, and a part of the connecting member is disposed outside the roller body,
A portion of the connecting member disposed inside the roller body so as to rotate only the roller body is a fixed side that does not rotate on the inside contacting the shaft, and the shaft and the roller body so that the outside contacting the roller body is a free side A roller device disposed between the and the part of the connecting member disposed on the outside of the roller body forms a part of the fixed side and is disposed between the shaft and the buffer part. The method according to claim 1,
The housing is
top plate;
side plates connected to both sides of the upper plate to extend in the vertical direction; and
A roller device comprising a; a first support frame connected to the side plate. 3. The method according to claim 2,
The side plate includes a slit formed to extend in the horizontal direction,
The slit is a roller device in which one side is opened so that at least a part of the roller part can be inserted and supported. delete 4. The method according to claim 3,
The roller unit,
A roller device including a; a moving member connected to the shaft to movably support the shaft in the slit. 6. The method of claim 5,
The buffer unit,
a contact member contactable with at least a portion of the roller part;
a support member connected to the first support frame; and
A roller device comprising a; a first elastic body that is stretchable in a direction in which the slit extends and is provided to contact the contact member and the support member. 7. The method of claim 6,
The contact member,
a contact plate having a space accommodating at least a portion of the roller body on one surface and provided to be in contact with at least one of the shaft and the connecting member; and
and a first guide rod connected to the other surface of the contact plate in a direction in which the slit extends to guide the movement direction of the contact plate. 8. The method of claim 7,
The support member is
a support providing a space for accommodating at least a portion of the first elastic body;
and a fixing member for connecting the support to the first support frame;
The first guide rod is a roller device disposed to pass through the support. 9. The method of claim 8,
An end of the first guide rod is disposed to be exposed to the outside of the support, and a stopper is provided at an end of the first guide rod. 10. The method of claim 9,
The fixing member is a roller device capable of adjusting the distance between the support and the contact member. A hollow housing in which both sides facing each other are open;
a roller part provided in the housing so that at least a part thereof is exposed to the outside of the housing in order to contact the object to be processed, and disposed to cross the housing; and
In order to buffer the external force applied to the roller part by contact with the object, a buffer part provided in the housing to move the roller part in a direction crossing the direction in which the roller part is arranged;
The housing includes a slit extending in a horizontal direction to insert and support at least a portion of the roller part, and a slit formed so that one side is opened,
The roller unit,
a shaft whose edge is inserted into the slit;
a roller body provided to surround the central portion of the shaft; and
a connecting member provided between the shaft and the roller body to rotatably connect the roller body to the shaft;
The buffer unit,
a second guide rod disposed in a direction crossing the longitudinal direction of the shaft, passing through the shaft and inserted into the slit;
a second elastic body provided to surround the second guide rod on at least one side of the shaft; and
and a support rod connected to the housing to fix the second guide rod inside the slit. 12. The method of claim 11,
The second elastic body,
A roller device provided to have different lengths from one side of the shaft and the other side of the shaft. a housing provided in the lower part of the mold and disposed on both sides in the width direction of the cast slab drawn from the mold;
a plurality of roller parts provided to be vertically spaced apart from each other in the housing so as to be in contact with the slab; and
A buffer for independently moving the plurality of rollers so as to buffer the external force due to contact with the cast;
including,
The roller unit,
a shaft movably supported by the housing;
a roller body provided to surround the central portion of the shaft; and
and a connecting member for rotatably connecting the roller body to the shaft.
A part of the connecting member is disposed inside the roller body, and a part is disposed outside the roller body,
A portion of the connecting member disposed inside the roller body so as to rotate only the roller body is a fixed side that does not rotate on the inside contacting the shaft, and the shaft and the roller body so that the outside contacting the roller body is a free side A part of the connecting member disposed between the roller body and disposed outside the roller body forms a part of the fixed side and is disposed between the shaft and the buffer part. a housing provided in the lower part of the mold and disposed on both sides in the width direction of the cast slab drawn from the mold;
a plurality of roller parts provided to be vertically spaced apart from each other in the housing so as to be in contact with the slab; and
A buffer for independently moving the plurality of rollers so as to buffer the external force due to contact with the cast;
including,
The housing includes a slit extending in a horizontal direction to insert and support at least a portion of the roller part, and a slit formed so that one side is opened,
The roller unit,
a shaft whose edge is inserted into the slit;
a roller body provided to surround the central portion of the shaft; and
a connecting member provided between the shaft and the roller body to rotatably connect the roller body to the shaft;
The buffer unit,
a guide rod disposed in a direction crossing the longitudinal direction of the shaft, passing through the shaft and inserted into the slit;
an elastic body provided to surround the guide rod on at least one side of the shaft; and
and a support rod connected to the housing to fix the guide rod inside the slit. 15. The method of claim 13 or 14,
The housing is
It is provided so as to extend in the vertical direction in which the slab is drawn,
A casting facility that is formed such that the front facing the slab and the rear facing the front are open. 14. The method of claim 13,
The housing includes a slit for supporting the roller unit so as to be movable in the front-rear direction of the housing. 17. The method of claim 16,
The buffer unit includes an elastic body expandable in the front and rear directions of the housing,
The elastic body is a casting facility provided so as to be in contact with at least a portion of the roller. 15. The method of claim 13 or 14,
Casting equipment provided with the same number of the buffer portion as the roller portion. 15. The method of claim 13 or 14,
Comprising a spraying unit connected to the housing to spray the cooling medium to the cast,
The injection part is a casting equipment connected to the rear of the housing.

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