KR20130053110A - Scrap treatment apparatus and continuously casting and rolling apparatus having the same and method of it - Google Patents

Abstract

PURPOSE: A scrap treating device, an endless rolling apparatus including the same, and a method thereof are provided to provide a space to treat slab as scrap when an abnormal situation occurs in a subsequent process of an endless rolling process, thereby continuing casting. CONSTITUTION: A scrap treating device includes a main body(110), an inlet side pinch roll(112), an outlet side pinch roll(114), and a pressing unit(116). The main body is provided on a movement route of a material. The inlet side pinch roll and the outlet side pinch roll are provided respectively on the inlet side and the outlet side of the main body, and guide the movement of the material. The pressing unit is provided between the inlet side pinch roll and the outlet side pinch roll in order to press and bend the material when the material is abnormally progressed in a subsequent process.

Description

Scrap processing device, continuous rolling device having the same, and method thereof {SCRAP TREATMENT APPARATUS AND CONTINUOUSLY CASTING AND ROLLING APPARATUS HAVING THE SAME AND METHOD OF IT}

The present invention provides a scrap processing apparatus, a continuous rolling apparatus having the same, and a method for scrapping a material continuously supplied in an emergency situation in a continuous rolling process so that the continuous continuous rolling process can be carried out. It is about.

In general, the continuous continuous rolling process includes a casting process of continuously casting molten steel of a liquid into a solid form without a defect, and a rolling process of rolling a continuously cast material, for example, a cast steel.

In the continuous rolling device, a molten steel stored in the ladle is supplied to a mold through a tundish to produce a cast steel, and the process continuously passes through a plurality of rough rolling rolls or finishing rolling rolls.

Such continuous rolling device stops casting when abnormal cobble such as plate breaking, twist, cold winding, etc. occurs during finishing rolling or winding process, but the casting stop is not made within a short time. The cast slabs collide with the continuous rolling mill in the subsequent process, causing damage.

In addition, while conventionally controlling to bypass the molten steel supplied from the tundish to the mold or to delay the feed rate of the cast steel, there is a limit in solving the fundamental problem.

In addition, conventionally, a part of the molten steel may leak while bypassing molten steel supplied from the tundish to the mold, and the cooling devices for cooling the rough rolling roll or the finishing roll and the cast steel are damaged by the leaked molten steel. You can wear

One embodiment of the present invention is a scrap processing apparatus for forming a space in which the slab is accommodated so that the continuous processing can be scraped in case of emergency occurs in the continuous rolling process, and the scrap processing apparatus to enable continuous operation An object of the present invention is to provide a continuous rolling device and a method thereof.

Scrap processing apparatus according to an aspect of the present invention comprises a main body provided on the movement path of the material; An entrance pinch roll and an exit pinch roll provided at the entrance and exit sides of the main body to guide movement of the material; And a pressurizing unit provided between the entry pinch roll and the exit pinch roll to pressurize and bend the material during abnormal progress of the material in a subsequent process.

In addition, the pressurizing unit may include a guide roll for contacting the material and guiding movement of the material, and an actuator for expanding the medium and pressurizing the material.

In addition, the actuator may include at least two first actuators for bending the material in one direction, and may further include an intermediate pinch roll provided between the first actuators to guide the movement of the material.

In addition, the actuator may include at least one first actuator for bending the material in one direction, and at least one second actuator provided alternately with the first actuator to bend the material in the other direction.

In addition, the actuator may be provided to be rotatable about one side and the other end may include a guide bar provided between the entry pinch roll and the exit pinch roll, and a third actuator provided to rotate the guide bar.

In addition, the actuator may further include a plurality of pressure rods for supporting the guard roll through a connecting member.

In addition, when pressing the material, the exit pinch roll bites and fixes the material, and the entrance pinch roll may be opened so that the material is continuously supplied.

The pressing unit may further include a sensor unit provided to measure the tension of the material, and may further include a controller provided to determine abnormal progress of the material according to the tension measured by the sensor unit.

In addition, it may further include a cutting unit provided to cut the material entered into the preceding process when the abnormal progress of the material in a subsequent process.

In addition, it may further include a storage unit provided between the cutting unit and the main body to store the material cut by the cutting unit.

In addition, the continuous continuous rolling apparatus according to another embodiment of the present invention; a rolling mill for continuously rolling the continuously cast material; and includes the above-described scrap processing apparatus provided in the transfer line is supplied continuously.

In addition, the rolling mill includes a roughing mill and a finishing mill, and the scrap processing apparatus may be provided between the roughing mill and the finishing mill.

In addition, the continuous continuous rolling method according to another embodiment of the present invention is a continuous continuous rolling method of rolling a continuously cast material to the coil, the material supply step of continuously supplying the material; When the abnormal progress of the material occurs in a subsequent process, the material cutting step of cutting the material entered into the preceding process; A material accommodating step of bending and accommodating the material cut in the material cutting step; A post material supplying step of continuously supplying a material trailing to the space in which the material is accommodated in the material accommodating step; A scrap storing step of cutting the material supplied after the material feeding step in the trailing material and storing it as scrap; And a material supply sustaining step of repeating the following material supplying step and the scrap storing step and continuing supply of the material until the material is normally supplied.

In addition, the material receiving step may be bent by pressing one side of the material to be supplied.

In addition, the scrap storage step is a trailing material cutting step for cutting the material supplied in the trailing material supply step, a seating step for seating the trailing material cut in the trailing material cutting step, and a trailing seat seated in the seating step It may include a lowering step of lowering the material, and a laminating step of stacking another trailing material to be seated on top of the trailing material lowered in the lowering step.

According to one embodiment of the present invention, if an abnormal situation occurs in a subsequent process in the continuous rolling process, the space for scrap processing of the cast can be provided so that the casting can be continued, thereby stopping and restarting the continuous casting It is possible to prevent the decrease in productivity and the increase in cost.

In addition, in this embodiment, it is possible to prevent the interruption of the supply of the cast steel to minimize the damage caused to the facility as the hot molten steel stagnated during the continuous rolling process, it is possible to follow-up treatment according to the abnormal situation in the subsequent process By ensuring a long time, it is possible to produce a normal cast quickly after the subsequent processing.

In addition, the present embodiment can be prevented from supplying the cast steel to the subsequent process in the abnormal situation, thereby preventing the supplied cast steel from colliding with the continuous rolling device of the subsequent process, thereby preventing damage have.

In addition, the present embodiment can prevent damage caused by molten steel leaking in the process of stopping the casting, and thus it is unnecessary to replace the damaged device.

Therefore, the present embodiment can continuously resupply and produce cast steel in solving the problem of subsequent processes, thereby increasing productivity.

In addition, the present embodiment can minimize the space occupied when accommodating the cast steel, it is possible to reduce the size of the installation.

In addition, the present embodiment can measure the tension between rough rolling or finishing rolling, it is possible to use a more stable continuous continuous rolling, it is possible to quickly know that an abnormal situation occurred in the subsequent process through the measurement of the tension As a result, follow-up can be promptly implemented.

1 is a block diagram of a continuous continuous rolling apparatus according to an embodiment of the present invention.
2 is a block diagram of a scrap processing apparatus according to an embodiment of the present invention.
Figure 3 is an operating state of the scrap processing apparatus according to an embodiment of the present invention.
Figure 4 is a block diagram showing a material receiving device of the scrap processing apparatus according to another embodiment of the present invention.
Figure 5 is an operating state of the material receiving apparatus during abnormal progress of the material in the scrap processing apparatus according to another embodiment of the present invention.
Figure 6 is a block diagram showing a material receiving device of the scrap processing apparatus according to another embodiment of the present invention.
Figure 7 is an operating state of the material receiving apparatus when the abnormal progress of the material in the scrap processing apparatus according to another embodiment of the present invention.
8 is a block diagram showing a material receiving device of the scrap processing apparatus according to another embodiment of the present invention.
Figure 9 is an operating state of the material receiving apparatus during abnormal progress of the material in the scrap processing apparatus according to another embodiment of the present invention.
10 is a block diagram showing a material receiving device of the scrap processing apparatus according to another embodiment of the present invention.
Figure 11 is an operating state of the material receiving apparatus during abnormal progress of the material in the scrap processing apparatus according to another embodiment of the present invention.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The embodiments of the present invention can be modified into various other forms, and the scope of the present invention is not limited to the embodiments described below. The shape and the size of the elements in the drawings may be exaggerated for clarity and the same elements are denoted by the same reference numerals in the drawings.

1 is a configuration diagram of a continuous continuous rolling apparatus according to an embodiment of the present invention, Figure 2 is a configuration diagram of a scrap processing apparatus according to an embodiment of the present invention, Figure 3 according to an embodiment of the present invention It is an operation state diagram of the scrap processing apparatus.

1 to 3, the scrap processing apparatus 100 of the present embodiment is produced from the material supplied from the player 20, for example molten steel using a continuous supply transfer line of the material, and then the user It can be applied to the continuous rolling device 10 to produce a coil form having a desired thickness and width.

The continuous rolling device 10 may supply molten steel stored in the ladle in the tumbler in the player 20, and the molten steel supplied to the mold may be discharged from the tundish to continuously produce the cast.

In addition, the cast steel produced by continuous casting in this way may be wound in the form of a coil or the like on the winder 50 while passing through a plurality of rough rolling rolls 30 or finishing rolling rolls 40. In addition, a cutting unit 60 for cutting the slab may be provided between the finishing rolling roll 40 and the winding machine 50.

On the other hand, in the present embodiment, the cast steel in the subsequent process, such as filament rolling mill 40 or the winder 50 may cause abnormality (cobble) such as plate breaking, twisting, cold winding, etc. Scrap processing in progress can be processed using the scrap processing apparatus 100 so that it can be continuously supplied.

In this embodiment, the material receiving device 100 may include a main body 110 provided on the movement path of the cast steel.

In addition, the entrance and exit pinch rolls 112 and the exit pinch rolls 114 for guiding the movement of the cast steel may be provided at the entrance and exit sides of the main body 110.

The entrance pinch roll 112 and the exit pinch roll 114 are rotated in engagement with the upper and lower portions of the cast steel, and can move the cast steel, and are fixed or engaged with the upper and lower portions of the cast steel as necessary or spaced apart from the upper and lower portions. Can be maintained.

Therefore, in the present embodiment, when the cast does not proceed according to the abnormal situation in the subsequent process, the exit pinch roll 114 is fixed to the cast and the side pinch roll 112 is spaced apart to allow the movement of the cast.

In addition, a pressurizing unit 116 may be provided between the entry pinch roll 112 and the exit pinch roll 114 to press and bend the slab during abnormal progress of the slab.

The pressurizing unit 116 may press the cast steel moved through the entry pinch roll 112 in a state where the movement is limited by the exit pinch roll 114, and thus the cast piece is pressed by the press unit 116. Can be bent.

To this end, the pressing unit 116 may include a guide roll 117 for guiding the movement of the material to the end in contact with the material, and an actuator 118 that expands through the guide roll 117 and bends the material. have.

In addition, a frame may be interposed between the guide roll 117 and the actuator 118 in this embodiment. The frame can rotatably support both ends of the guide roll 117.

In addition, in this embodiment, the pressurizing unit 116 may maintain a state in which the pressing unit 116 is in close contact with the material by the guide roll 117, and uses the sensor unit (not shown) for measuring the tension of the cast steel using the same. Can be.

In addition, the sensor unit may transmit the measured tension value to the control unit, the control unit may be used as data for determining the conveying speed of the cast steel, defects or abnormal signs of the transfer device in the subsequent process using the tension value.

In addition, the control unit may determine that the tension value measured in the sensor unit is out of the normal allowable range, the abnormal state, and thus the operation of the entry pinch roll 112 and the exit pinch roll 114 and the pressing unit 116. Can control the scrap.

Further, in this embodiment, the actuator 118 may include a cylinder 118a and an actuating rod 118b provided to be expandable by the cylinder 118a, and the actuator 118 may be pressed in the direction of pressurizing the slab. It may be modified in various forms provided to be movable.

In one example, the actuator 118 may include an actuating rod having a rack gear, and may be provided as a drive motor provided on one side to engage with the rack gear to lift the actuating rod.

Meanwhile, in the present embodiment, the scrap processing apparatus 100 may further include a cutting unit 120 provided at a front end of the main body 110 to cut a slab that is subsequently entered into a space provided as the slab is accommodated in the main body. Can be.

The cutting unit 120 is provided with cutting knives 122 on both sides of the direction perpendicular to the direction of travel of the cast steel, the cutting knife 122 is moved in the direction engaged with the cutting actuator 124 to cut the cast steel can do.

Then, the slabs cut by the cutting unit 120 is supplied to the storage unit 130 provided between the cutting unit 120 and the main body 110, the storage unit 130 is a subsequent process by stacking the cut slabs Can be saved for scrap processing.

To this end, the storage unit 130 may include a seating portion 132 on which the cut slab is mounted and at least one lifting actuator 134 provided to the seating portion 132 to lift the seating portion 132. Can be.

It is also possible for the seating portion 132 to be provided with a plurality of (not shown) rollers to guide the movement of the cast steel.

Referring to the operation of the present embodiment configured as described above are as follows.

First, molten steel supplied from the ladle of the player 20 is discharged through a mold through a tundish and continuously produces a material, for example, a cast steel.

Then, the continuously cast as described above is supplied to the roughing mill 30, the finishing mill 40, the winding machine 50, and the like of the subsequent rolling process through the transfer line.

At this time, the continuously supplied slab proceeds through the scrap processing apparatus 110, in this process can be moved in the state engaged with the entry pinch roll 112 and the exit pinch roll 114.

In addition, the actuator 118 is a state in which the slab is pressed to a predetermined pressure between the entry pinch roll 112 and the exit pinch roll 114 via a guide roll 117, and in this process, the sensor and the controller The tension generated during the movement of the cast steel can be measured.

On the other hand, in the present embodiment, if an abnormal progress of the cast steel occurs in the subsequent process, such as the finishing mill 40 or the winding machine 50, the operation of the subsequent process is stopped. Then, while the continuously supplied cast steel is processed into scrap by the scrap processing apparatus 110 and maintains the continuous casting state, the problem occurring in the subsequent process is solved.

At this time, the sensor detects that the tension generated in the cast is lowered and transmitted to the controller, the controller can use this to determine that the abnormal progress problem of the cast in the subsequent process.

More specifically, in this embodiment, the scrap processing apparatus 110 stops the exit pinch roll 114 to prevent the progression of the cast steel, and inflates the actuator 118.

In addition, the actuator 118 to be expanded and the guide roll 117 interposed thereon press one side, for example, the lower side, to the upper side to bend the cast piece upward.

At this time, the side pinch roll 112 is maintained in a spaced apart state to allow the movement of the cast steel, so that the continuously supplied cast steel enters the main body 110, it is bent and accommodated.

On the other hand, if the cast is abnormally progressed in the subsequent process, the cutting unit 120 is to cut the continuously supplied cast.

Accordingly, the slab entering the main body 110 is in a cut state, and the following slabs are continuously supplied to the space generated as the cut slabs are received in the main body 110.

In this way, the subsequently cast steel is placed on the seating portion 132, and is cut by the cutting unit 120 to have a predetermined length.

In addition, the seating portion 132 on which the trailing slab is seated is lowered by the lifting and lowering actuator 134, thereby providing a space for entering a new subsequent cast on the movement path of the cast.

In addition, a new trailing slab supplied from the player 20 enters into the space provided by the seating portion 132 and the lower portion of the cast steel seated on the seating portion 132. Then, the new trailing slab is cut to a predetermined length by the cutting unit 120, and then stacked on top of the previously seated cast.

On the other hand, when the problem of abnormal progress of the cast steel in the subsequent process, such as filament rolling mill 40 or the winder 50 is resolved, the actuator 118 is lowered to advance the cast steel that was bent and accommodated, and the subsequent cast steel continuously supplied It can be engaged by engaging the entry pinch roll 112 and the exit pinch roll 114.

In addition, the slab passed through the scrap processing apparatus 100 may be supplied to the finishing mill 40 and rolled, and then wound in a coil form in the winder 50 through a cooling process.

As described above, in the present embodiment, when abnormal progression of the slab occurs in a subsequent process, the continuous casting is partially interrupted by accommodating a portion of the continuously supplied cast steel, and storing and scraping the following cast steel using the space in which the cast steel is accommodated. Can be continued without

On the other hand, in the present embodiment, the pressurizing unit 116 is described as bending the slab by one actuator 118 provided between the entry pinch roll 112 and the exit pinch roll 116, the pressing unit 116 The configuration is not limited and may be modified in various forms.

In one example, the pressurizing unit 116 may include a plurality of actuators 118, may be provided in combination to minimize the space occupied when bending the cast steel.

Figure 4 is a block diagram showing a material receiving device of the scrap processing apparatus according to another embodiment of the present invention, Figure 5 is an operation of the material receiving device when abnormal progress of the material in the scrap processing apparatus according to another embodiment of the present invention State diagram.

4 and 5, the scrap processing apparatus 200 may include a main body 210, an entrance pinch roll 212 and an exit pinch roll 214 provided at the inlet and the outlet of the main body 210. Can be.

In addition, a pressurizing unit 216 including an actuator is provided between the entry pinch roll 212 and the exit pinch roll 214, so that the abnormality between the entry pinch roll 212 and the exit pinch roll 214 when the slab is abnormally advanced. The cast pieces can be pressed and bent to be accommodated in the body.

Here, the actuator may include a material, for example, at least two actuators 218 for bending the cast piece in one direction, and an intermediate pinch roll 215 provided between the actuators 218 to guide the movement of the cast pieces.

That is, the actuator 218 may include a plurality of actuators 218, for example, two actuators at a lower portion of the cast steel.

The intermediate pinch roll 215 may rotate while engaging the upper and lower portions of the cast steel during normal movement of the cast steel. In addition, when an abnormal situation occurs, the intermediate pinch roll 215 may be spaced apart from the cast together with the side pinch roll 212 so that the cast is easily bent and accommodated.

Further, in this embodiment, the actuator 218 may each include a cylinder 218a and an actuating rod 218b flexibly provided by the cylinder 218a, which are provided at an end of the actuating rod 218b. It may be provided to press the material via the guide roll 217 to be.

In this embodiment, the material, for example, the slab is described as being pressed by the respective actuator 216 having the cylinder 218a and the actuating rod 218b, but the actuator 216 may be variously modified.

In addition, Figure 6 is a block diagram showing a material receiving device of the scrap processing apparatus according to another embodiment of the present invention, Figure 7 is a material during abnormal progress of the material in the scrap processing apparatus according to another embodiment of the present invention It is an operation state diagram of a receiving device.

For example, referring to FIGS. 6 and 7, in this embodiment, the scrap processing apparatus 300 includes a main body 310, an entrance pinch roll 312 and an exit pinch provided at the inlet and the outlet of the main body 310. Roll 314 may be included.

In addition, a pressurizing unit 316 including an actuator 318 is provided between the entry pinch roll 312 and the exit pinch roll 314, so that the entrance pinch roll 312 and the exit pinch roll 314 may be abnormally moved. It is possible to be accommodated in the body 310 by pressing and bending between the slabs.

Further, in this embodiment, the actuator 318 includes one cylinder 318a and two pressing rods 319b which are provided to be movable up and down via the connecting member 319a to the operating rod 318b of the cylinder. It is also possible.

A guide roll 317 may be provided at the end of the pressure rod 319b.

In addition, an intermediate pinch roll 215 may be provided between the two pressure rods 319b to limit the movement of the cast steel.

Therefore, the cast steel is lifted by two pressure rods 319b by the operation of the actuator 318, the movement of the cast steel is limited by the intermediate pinch roll 315 provided between the pressure rods (319b) and when bending the cast steel Minimize the space taken.

In addition, Figure 8 is a block diagram showing a material receiving apparatus of the scrap processing apparatus according to another embodiment of the present invention, Figure 9 is a material during abnormal progress of the material in the scrap processing apparatus according to another embodiment of the present invention It is an operation state diagram of a receiving device.

Referring to FIGS. 8 and 9, the scrap processing apparatus 400 may include a main body 410, an entrance pinch roll 412 and an exit pinch roll 414 provided at the inlet and the outlet of the main body 410. Can be.

In addition, a pressurizing unit 416 including an actuator is provided between the entry pinch roll 412 and the exit pinch roll 414, so that the abnormality between the entry pinch roll 412 and the exit pinch roll 414 when the slab is abnormally advanced. The cast pieces can be pressed and bent to be accommodated in the body.

The actuator may include at least one first actuator 418 that bends the slab in one direction, and is provided alternately with the first actuator 418 to at least one second actuator that bends the slab in the other direction. 419).

For example, in the present embodiment, the first actuator 418 may be located under the cast steel, and may be provided to press the cast steel upward.

In addition, the second actuator 419 may be positioned above the cast steel, and may be provided to press the cast steel downward.

As such, the cast steel may be bent and bent upwards or downwards by the first actuator 418 and the second actuator 419, thereby minimizing the space occupied and accommodating the cast steel.

In addition, in the present embodiment, the actuator may be provided with a plurality of first actuators 418 and second actuators 419, in which case the first actuators 418 and the second actuators 419 may be alternately installed. Can be.

In addition, in the present embodiment, the first actuator 418 and the second actuator 419 may be alternately installed, and one second actuator between two first actuators 418 or the second actuators 419. It is also possible for 419 or the first actuator 418 to be provided.

In addition, Figure 10 is a block diagram showing a material receiving apparatus of the scrap processing apparatus according to another embodiment of the present invention, Figure 11 is a material during abnormal progress of the material in the scrap processing apparatus according to another embodiment of the present invention It is an operation state diagram of a receiving device.

Referring to FIGS. 10 and 11, the scrap processing apparatus 500 of the present embodiment includes a main body 510 and an entry pinch roll 512 and an exit pinch roll 514 provided on different sides of the main body 510. It may include.

In addition, a pressurizing unit 516 including an actuator is provided between the entry pinch roll 512 and the exit pinch roll 514, so that the abnormality between the entry pinch roll 512 and the exit pinch roll 514 when the slab is abnormally advanced. The cast piece may be pressed to be bent and accommodated in the main body 510.

In this embodiment, the actuator may include a guide bar 519 provided to be rotatable about one side. The guide bar 519 may be rotatably provided on one side of the main body 510 or on one side of the cast path.

In addition, the other end portion of the guide bar 519 may be provided between the entry pinch roll 512 and the exit pinch roll 514 to press the slab through the guide roll 517 provided at the end.

In addition, the guide bar 519 may be provided with a third actuator 518 for rotating the guide bar 519 around one side.

The third actuator 518 may comprise a cylinder 518a and an actuating rod 518b stretchable by the cylinder 518a. At this time, one end of the cylinder 518a may be rotatably provided on the movement path of the main body 510 or the cast steel.

In addition, the operating rod 518b of the cylinder 518a is rotatably provided on one side of the guide bar 519, and the guide bar 519 rotates about one side according to the expansion of the operating rod 518b. It can be bent.

As such, the scrap processing apparatus 500 of the present embodiment can improve the operating range as the cast piece is bent in rotation by the operation of the third actuator 518, thereby minimizing the space required to accommodate the cast piece It is possible to simplify the structure of the equipment required for this.

In addition, the material in the continuous rolling device in the present embodiment may be provided in the form of a plate, or may be provided in the form of a wire, the shape of the roller for transferring it according to the shape of the material may be set differently.

That is, when the material is in the form of a plate, the roller may be provided in a form having a predetermined width to support it. In addition, when the material is in the form of wire, the roller may be provided with a groove, for example, a ball so as to guide the movement of the material.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents. It will be clear to those who have knowledge.

10: continuous rolling device 20: playing machine
30: rough rolling roll 40: finishing rolling roll
50: winder 100: scrap processing apparatus
110: main body 112: entrance pinch roll
114: exit pinch roll 116: pressure unit
117: guide roll 118: actuator
118a: cylinder 118b: working rod
120: cutting unit 122: cutting knife
124: cutting actuator 130: storage unit
132: seating portion 134: elevating actuator

Claims (15)

A main body provided on the movement path of the material;
An entrance pinch roll and an exit pinch roll provided at the entrance and exit sides of the main body to guide movement of the material; And
A pressurizing unit provided between the entry pinch roll and the exit pinch roll to pressurize and bend the material when the material progresses abnormally in a subsequent process;
Scrap processing apparatus comprising a.
The method of claim 1, wherein the pressing unit
A guide roll that contacts the material and guides the movement of the material;
And an actuator for expanding the guide roll to pressurize the material.
The method according to claim 2,
The actuator includes at least two first actuators for bending the material in one direction,
And an intermediate pinch roll provided between the first actuators to guide the movement of the material.
The method of claim 2, wherein the actuator
At least one first actuator for bending the material in one direction;
And at least one second actuator provided alternately with the first actuator to bend the material in the other direction.
The method of claim 2, wherein the actuator
A guide bar provided to be rotatable about one side and provided at the other end between the entry pinch roll and the exit pinch roll;
And a third actuator provided to rotate the guide bar.
The method according to claim 1,
The actuator further comprises a plurality of pressure rods for supporting the guard roll via a connecting member.
The method according to claim 1,
The press-out pinch roll is fixed to the material bite when pressing the material,
And said entrance pinch roll is opened to supply said material continuously.
The method according to claim 1,
The pressing unit further includes a sensor unit provided to measure the tension of the material,
And a controller provided to determine abnormal progress of the material according to the tension measured by the sensor unit.
The method according to claim 1,
And a cutting unit provided to cut the material entered into the preceding step when the material is abnormally processed in a subsequent process.
The method according to claim 9,
And a storage unit provided between the cutting unit and the main body to store the material cut by the cutting unit.
A rolling mill for continuously rolling the continuously cast material;
12. A continuous continuous rolling device comprising a scrap processing apparatus according to any one of claims 1 to 10 provided in a feed line in which the material is continuously fed.
The method of claim 11,
The rolling mill includes a roughing mill and a finishing mill,
The scrap processing device is a continuous rolling device, characterized in that provided between the roughing mill and the finishing mill.
In the continuous continuous rolling method to roll the material continuously cast and wound with a coil,
A material supply step of continuously supplying the material;
When the abnormal progress of the material occurs in a subsequent process, the material cutting step of cutting the material entered into the preceding process;
A material accommodating step of bending and accommodating the material cut in the material cutting step;
A post material supplying step of continuously supplying a material trailing to the space in which the material is accommodated in the material accommodating step;
A scrap storing step of cutting the material supplied after the material feeding step in the trailing material and storing it as scrap; And
A material supply sustaining step of repeating the following material supplying step and the scrap storing step and continuing to supply the material until the material is normally supplied;
Continuous rolling method comprising a.
The method according to claim 13,
The material receiving step is a continuous continuous rolling method, characterized in that for bending the material by pressing one side of the material to be supplied.
The method of claim 13 or claim 14, wherein the scrap storage step
And a trailing material cutting step of cutting the material supplied in the trailing material supply step,
A seating step of seating the trailing material cut in the trailing material cutting step;
A lowering step of lowering the trailing material seated in the seating step;
Continuous continuous rolling method characterized in that it comprises a lamination step of laying down another trailing material on top of the trailing material lowered in the descending step.

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