JP2000312950A - Device for loading/unloading dummy bar of continuous casting equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for loading/unloading a dummy bar of a continuous casting equipment which can narrow the space required when the dummy bar is loaded/unloaded against a casting path. SOLUTION: This device comprises a hoist 24 for hanging a dummy bar 3 above a dummy bar loading/unloading position 22 which is set on a horizontal path part 5b of a casting path 5, and a guide element 28 for guiding the dummy bar 3 hung by the hoist 24 from a perpendicular direction to a horizontal direction at the dummy bar loading/unloading position 22. The guide element 28 is constituted rotatably upwards/downwards between a guide position C for guiding the dummy bar 3 and a retreating position D for retreating it towards above from the casting path 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dummy bar loading / unloading device used when starting up a continuous casting facility.

[0002]

2. Description of the Related Art Conventionally, as a dummy bar insertion / removal device of this kind, there is one disclosed in Japanese Utility Model Laid-Open No. 6-83143. That is, the dummy bar is housed in the dummy bar housing device, and is taken in and out of the slab passage from the dummy bar housing device when the continuous casting facility is started.

Here, as shown in FIG. 21, a dummy bar accommodation device 61 has an accommodation portion 6 for accommodating a dummy bar 62.
3 and a rotary arm 64 for taking the dummy bar 62 in and out of the storage section 63. The accommodation section 63 includes:
An inclined portion 66 inclined obliquely upward from the slab passage 65;
A horizontal straight portion 68 is formed horizontally from the upper end of the inclined portion 66 via an arc portion 67. A plurality of guide rollers 69 for guiding the dummy bar 62 are provided in the accommodation section 63.

According to this, when the continuous casting facility is started, by rotating the rotary arm 64 to one side, the dummy bar 62 is pushed out of the receiving portion 63 into the slab passage 65, and the slab passage 65 is moved by the pinch roll 70. It is conveyed in the reverse feeding direction B opposite to the casting direction A. Then, after the dummy bar head 73 is inserted into the mold 71 from below,
After the molten steel is supplied into the mold 71 and the tip of the slab 72 is connected to the dummy bar head 73 by solidification of the molten steel,
The pinch roll 70 is reversed, the dummy bar 62 is pulled out in the casting direction A, and continuous casting is started.

At this time, the dummy bar 62 pulled out is
The pinch roll 70 is retracted into the inclined portion 66 of the accommodating portion 63 by the reverse rotation of the pinch roll 70, and further retracted from the arc portion 67 to the horizontal linear portion 68 by the reverse rotation of the rotating arm 64 and accommodated. Then, by using the dummy bar separating device 74 to separate the tip of the slab 72 from the dummy bar head 73, the slab 72 is continuously transported on the slab passage 65 in the casting direction A.

[0006]

In the above-described conventional type, the size L in the casting direction A of the space required when the dummy bar 62 is moved in and out of the slab passage 65 from the dummy bar storage device 61 becomes large. There is a problem that the continuous casting equipment becomes longer and the equipment cost increases.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a dummy bar loading / unloading device in a continuous casting facility which can reduce a space required for loading / unloading a dummy bar.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a first aspect of the present invention is to use a plurality of transfer rolls provided on a casting path to cause a dummy bar to move along a casting path in a casting direction and vice versa. A dummy bar in a continuous casting facility configured to be transferred in a direction, and the slab is pulled out of the mold by the dummy bar and conveyed in the casting direction along the casting path, wherein the horizontal path of the casting path is provided. A dummy bar loading / unloading position is set on the unit, and a lifting device is provided above the dummy bar loading / unloading position so that the dummy bar can be freely lifted and lowered. Is provided in a horizontal direction along the horizontal path from the vertical direction, and the guide body guides the dummy bar. From the inner position and the casting path over those which are freely configured move between the retracted position retracted outward.

According to this, when the continuous casting equipment is started, the guide is moved to the guide position, and the dummy bar suspended by the hanging machine is lowered onto the guide, whereby the guide moves the dummy bar from the vertical direction. It is guided in the horizontal direction along the horizontal path of the casting path. As a result, the dummy bar is changed from the vertical position to the horizontal position, removed from the suspension machine, and transferred on the casting path by the transfer roll in a direction opposite to the casting direction.

Thereafter, when starting the continuous casting by pulling out the dummy bar in the casting direction, the guide is retracted from the guide position to the retracted position. Thereafter, the dummy bar is transported in the casting direction on the casting path by the transfer roll, connected to a suspension machine at the dummy bar loading / unloading position, lifted above the casting path, and then separated from the tip of the slab. Thereby, only the slab is continuously transported on the casting path in the casting direction. At this time, since the guide is retracted to the retracted position, the guide does not hinder the transport of the slab in the casting direction. Absent.

As described above, when the dummy bar is not used, the dummy bar may be suspended in a vertical position using a suspension machine to stand by, and the dummy bar may be raised and lowered in the vertical direction (up and down direction) to reduce the casting path. Therefore, the space required for taking in and out can be reduced in the casting direction. In the second invention, the guide body is provided so as to be vertically rotatable around a horizontal axis orthogonal to the casting path, and includes a driving device for rotating the guide body between a guide position and a retracted position. Is what is being done.

According to this, when the continuous casting facility is started, the guide is rotated to the guide position by the drive device.
Thereafter, when the dummy bar is pulled out in the casting direction to start continuous casting, the guide is rotated from the guide position to the retracted position by the driving device. Further, in the third invention, the dummy bar is composed of a dummy bar main body and a dummy bar head, the hanging machine suspends the dummy bar with the dummy bar head down, and the guide body has the dummy bar head in the guide position at the guide position. The dummy bar is guided in the direction opposite to the casting direction along the horizontal direction.

According to this, at the time of starting the continuous casting equipment, the guide is moved to the guide position, and the dummy bar, which is suspended with the dummy bar head down, is lowered onto the guide by the suspension machine. Guides the dummy bar from the vertical direction to the horizontal direction along the horizontal path portion of the casting path with the dummy bar head at the top. This allows the dummy bar to
The posture is changed from the vertical posture to the horizontal posture, removed from the lifting machine, and transported in the direction opposite to the casting direction on the casting path by the transport rolls, with the dummy bar head at the head. Then, the dummy bar head is inserted into the mold, and molten steel is supplied into the mold.

Thereafter, when the dummy bar is pulled out in the casting direction to start continuous casting, the guide is retracted from the guide position to the retracted position. Thereafter, the dummy bar is transferred on the casting path in the casting direction by a transfer roll, connected to a lifting machine at the dummy bar loading / unloading position, lifted up the casting path with the dummy bar head down, and then the dummy bar head is cast. It is cut off from the tip of the piece. Thereby, only the slab is continuously transported on the casting path in the casting direction. At this time, since the guide is retracted to the retracted position, the guide does not hinder the transport of the slab in the casting direction. Absent.

According to the fourth aspect of the present invention, a first engaging portion is formed on the dummy bar head, and a second engaging portion for engaging with the first engaging portion is formed at the tip of the cast piece by solidification of molten steel. And
When the dummy bar head is orthogonal to the casting path, the first engagement portion is configured to be separated from the second engagement portion.

According to this, when the continuous casting facility is started, the dummy bar is transferred along the casting path in a direction opposite to the casting direction, the dummy bar head is inserted into the mold, and the molten steel is supplied into the mold. A second engaging portion that engages with the engaging portion is formed by solidification of molten steel. In this state, since the dummy bar head is in the same direction as the casting path, the first engaging portion is engaged with the second engaging portion.

When the continuous casting is started by pulling out the dummy bar in the casting direction, the dummy bar is transferred in the casting direction on the casting path by the transfer roll, and at this time, the first engaging portion is connected to the second engaging portion. Due to the engagement, the slab is connected to the dummy bar head and pulled out together with the dummy bar in the casting direction. Thereafter, the dummy bar is connected to the lifting machine at the dummy bar loading / unloading position, and is lifted vertically above the casting path with the dummy bar head facing downward.
At this time, since the dummy bar head of the suspended dummy bar is orthogonal to the horizontal path portion of the casting path, the first engagement portion is disengaged from the second engagement portion. As a result, the dummy bar head comes off the tip of the slab, and only the slab continues to be conveyed on the casting path in the casting direction. Therefore, a dummy bar separating device conventionally provided for separating the dummy bar head from the tip of the cast piece becomes unnecessary, and the cost can be reduced.

According to a fifth aspect of the present invention, the dummy bar head is detachably connected to the dummy bar main body, a dummy bar head storage space is formed on a side of the guide, and a replacement dummy bar head is transported to the dummy bar head storage space. A replacement trolley is provided, between the guide position and the retracted position,
A head replacement position at which the guide body is in a horizontal posture is set, and the head replacement carriage is configured to be able to reciprocate over the guide body held at the head replacement position and the dummy bar head storage place.

According to this, when the dummy bar head is replaced, the guide body is rotated to the head replacement position and held in a horizontal position, and the head replacement truck housing the replacement dummy bar head is moved from the dummy bar head storage area to the guide body. Run up. Thereafter, the dummy bar suspended by the suspension machine with the dummy bar head down is lowered above the guide body, and the dummy bar head of the dummy bar is stored in the head replacement cart from above. Thereafter, the dummy bar head is removed from the dummy bar main body, and the replacement dummy bar head housed in the head replacement cart is attached to the dummy bar main body.

Thereafter, the dummy bar replaced by the replacement dummy bar head is lifted by a lifting machine, so that the dummy bar head is pulled up above the head replacement carriage together with the dummy bar. Thereafter, the dummy bar head can be easily exchanged by returning the head exchanging trolley containing the removed dummy bar head from the guide to the dummy bar head storage area.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS. As shown in FIG.
Is a continuous casting equipment, in which a slab 2 is pulled out of a mold 4 following a dummy bar 3 and is cast on a casting path 5 in a casting direction A.
It is configured to be transported to The above casting path 5
Is an arc path portion 5a that continues downward from the mold 4,
A horizontal path portion 5b that continues in the horizontal direction from the lower end of the arc path portion 5a.

A large number of support rolls 6 for supporting and transporting the slab 2 and a plurality of pinch rolls 7 (for transferring the dummy bar 3 in the casting direction A and in the reverse feeding direction B opposite to the casting direction A). Transfer rolls) are arranged along the casting path 5. As shown in FIGS. 4 and 5, the dummy bar 3 includes a dummy bar main body 9, a dummy bar head 11 rotatably provided at one end of the dummy bar main body 9 via a horizontal pin 10, and the other end of the dummy bar main body 9. And a dummy bar tail 13 rotatably provided via a horizontal pin 12. Dummy bar body 9
Is composed of a plurality of connectors 15 that are connected via a horizontal pin 14 in a bending direction of the casting path 5. The dummy bar head 11 is provided with a horizontal pin 1.
It is configured to be detachable from the dummy bar main body 9 by inserting and removing 0. The dummy bar tail 13
Is provided with a pair of tail pins 16.

Further, a first engaging portion 17 is formed at the tip of the dummy bar head 11. As shown in FIG. 6, the first engagement portion 17 includes a protrusion 18 protruding in the length direction of the dummy bar 3 and an engagement recess 19 formed at the base of the protrusion 18. . The protrusion 18 is located on one side of the bending direction of the dummy bar head 11, and the engaging recess 19 is open on the other side of the bending direction of the dummy bar head 11.

Further, as shown in FIG.
A dummy bar insertion / removal position 22 is set on the horizontal path portion 5b, and a dummy bar insertion / removal device 23 is provided at the dummy bar insertion / removal position 22. The configuration of the dummy bar loading / unloading device 23 will be described below. That is, as shown in FIGS. 1 and 2, a pair of left and right hoisting machines 24 (an example of a hoisting machine) such as a hoist for freely lifting and lowering the dummy bar 3 is provided above the dummy bar loading / unloading position 22. I have. At the end of the wire 25 of the both hoists 24, hooks 26 are provided which are detachable from the tail pins 16 of the dummy bar 3.

At the dummy bar loading / unloading position 22, there is provided a flat guide 28 for guiding the dummy bar 3 suspended by the hoisting machine 24 from a vertical direction to a horizontal direction along the horizontal path portion 5b. Have been. The guide 28 is vertically rotatable about a horizontal axis 29 perpendicular to the casting path 5, and the downstream end of the guide 28 is connected to the horizontal axis 2.
9. Both ends of the horizontal shaft 29 are rotatably supported by bearings 33. In addition, the guide body 2
8 is a cylinder device 30 (an example of a driving device)
Rotate up and down between a guide position C (indicated by the imaginary line in FIG. 1) for guiding the dummy bar 3 by inclining, and a retreat position D (see the solid line in FIG. 1) to stand up and retreat upward from above the casting path 5. Is done. Further, the piston rod 30 of the cylinder device 30
The tip of “a” is connected to one end of the horizontal shaft 29 via an arm 31.

On the free end side of the guide 28, a pair of left and right cutouts 32 for the hooks 26 of the both hoists 24 to pass up and down are formed. Further, between the guide position C and the retreat position D, a head replacement position E (see a dotted line in FIG. 1) in which the guide body 28 is in a horizontal posture is set. Also, as shown in FIGS.
A dummy bar head storage space 35 for storing a plurality of types of dummy bar heads 11 having different sizes is formed on one side of the left and right sides of 8. The dummy bar head storage 35 is provided with a head replacement carriage 36 that carries the replacement dummy bar head 11. This head replacement cart 36
Are reciprocally movable between the upper surface of the guide 28 held at the head replacement position E and the dummy bar head storage 35.

That is, the dummy bar head storage space 3
5 and the upper surface of the guide body 28 are rails 37 and 38, respectively.
Are provided one by one, and the two rails 37 and 38 are connected in a straight line at the head replacement position E. The head replacement carriage 36 has a carriage main body 40 having a plurality of wheels 39 rolling on the rails 37 and 38, and is supported on the carriage main body 40 to be movable in the direction of the horizontal path portion 5b. Movable frame 41, a storage box 42 provided above the movable frame 41,
1 and a storage box 42 and a link-type height adjustment device 43 for raising and lowering the storage box 42.

Incidentally, as shown in FIG.
Is provided inside a groove 50 formed on the upper surface of the guide 28, and the upper end of the rail 38 is flush with the upper surface of the guide 28. In addition, the storage box 4
2, one storage unit 5 partitioned by a partition plate 51 is provided.
2 and the other storage portion 53 are formed. Further, as shown in FIG. 8, an unloading device 44 for unloading each dummy bar head 11 is provided above the dummy bar head storage space 35. The unloading apparatus 44 is supported and guided by a ceiling frame 49 and is configured to be movable in the same direction as the horizontal path 5b.

The operation of the above configuration will be described below.
As shown in FIG. 3, when the continuous casting equipment 1 is started, the hooks 26 of the both hoists 24 are engaged with the tail pins 16 of the dummy bar 3 and the dummy bar head 11 is turned down to make the dummy bar 3
Is lifted above the guide 28. Then, the guide body 28 is rotated to the guide position C by the operation of the cylinder device 30. Thereafter, by lowering the dummy bar 3 onto the guide 28, the dummy bar 3 comes into contact with the upper surface of the guide 28, and as shown in FIG. It is guided from the vertical direction in the horizontal direction along the horizontal path 5b.
As a result, the dummy bar 3 is changed from the vertical posture to the horizontal posture, and at this time, as shown in FIG.
Is released below both tail pins 16.

The dummy bar 3 is transported in the reverse direction B on the casting path 5 by rotating the pinch rolls 7 with the dummy bar head 11 at the head. After inserting the dummy bar head 11 into the mold 4 from below in this way, molten steel is supplied into the mold 4. At this time, due to solidification of the supplied molten steel, as shown in FIG.
The first engaging portion 17 of the dummy bar head 11
A second engaging portion 45 that engages with the second member is formed. The second engaging portion 45 has an engaging convex portion 46 that engages with the engaging concave portion 19 of the first engaging portion 17. As shown in FIG. 11, in this state, the dummy bar head 11 Since the direction is the same as that of the casting path 5, the first engaging portion 17 and the second engaging portion 45 are engaged with each other.

Thereafter, when the dummy bar 3 is pulled out in the casting direction A to start continuous casting, as shown in FIG.
The guide body 28 is retracted from the guide position C to the retracted position D by the operation of the cylinder device 30. Thereafter, as shown in FIG. 13, both hooks 26 are lowered to the release level F. Then, the dummy bar 3 is transferred in the casting direction A on the casting path 5 by the reverse rotation of each pinch roll 7. At this time, since the dummy bar head 11 is in the same direction as the casting path 5, the first engaging portion 17 and the second engaging portion 45 are engaged with each other, whereby the slab 2 is
1 and is pulled out together with the dummy bar 3 in the casting direction A.

Then, as shown in FIG. 14, the dummy bar tail 13 of the dummy bar 3
2, when the hooks 26 are raised from the release level F, as shown in FIG.
Engage with both tail pins 16 of the dummy bar 3, and as shown in FIG. 16, the dummy bar 3 is lifted with the dummy bar head 11 down and above the horizontal path portion 5b in a vertical posture. At this time, since the dummy bar head 11 of the suspended dummy bar 3 is orthogonal to the horizontal path 5b, the first engagement portion 17 is rotated by 90 ° with respect to the second engagement portion 45 as shown in FIG. Then, the engaging convex portion 46 of the second engaging portion 45 is removed from the engaging concave portion 19 of the first engaging portion 17. As a result, the first engagement portion 17 is disengaged from the second engagement portion 45, and the dummy bar head 11 is separated from the tip of the cast piece 2, and thereafter,
Only the slab 2 is transported in the casting direction A on the casting path 5 continuously below the dummy bar 3.

At this time, as shown in FIG.
Is evacuated to the evacuation position D, so that the slab 2
, So that the guide 28 does not obstruct the conveyance of the slab 2 in the casting direction A. As described above, when the dummy bar 3 is not used, as shown in FIG. 1, the dummy bar 3 may be suspended in a vertical position using the hoisting machine 24 and kept in a standby state. ) To lower the casting path 5
Therefore, the space required for taking in and out can be narrowed in the casting direction A. Therefore, the size of the continuous casting equipment 1 is reduced in the casting direction A, and the equipment cost is also reduced.

Further, a dummy bar separating device (see reference numeral 74 in FIG. 21) conventionally provided for separating the dummy bar head 11 from the tip of the cast piece 2 becomes unnecessary, and the cost can be reduced. Also, slabs 2 having different widths and the like
Is cast, a dummy bar head 11 having a size corresponding to the size of the slab 2 is replaced. In this case, as shown by the dotted line in FIG.
8 is rotated to the head exchange position E and held in a horizontal posture,
Further, as shown in FIG. 8, the intended replacement dummy bar head 11 stored in the dummy bar head storage 35 is transferred to the head replacement carriage 36 by using the unloading / unloading device 44.
Is stored in one storage section 52 of the storage box 42.

Then, as shown by the imaginary line in FIG. 7 and FIG. 18, the head exchanging carriage 36 is moved from the dummy bar head storage 35 to the upper surface of the guide 28. At this time, the head replacement carriage 36 is supported and guided by the two rails 37 and 38 connected to each other, and travels in a lateral direction orthogonal to the casting path 5. Thereafter, as shown in FIG. 18, the dummy bar 3 suspended with the dummy bar head 11 down by the two hoists 24 is lowered above the guide body 28, and as shown in FIG. The head 11 is moved from above to the other storage portion 53 of the storage box 42.
Store inside. Then, the dummy bar head 11 is detached from the dummy bar main body 9 by removing the horizontal pin 10. Then, as shown in FIG. 20, by moving the movable frame 41, the storage box 42 is moved in the direction of the horizontal path portion 5b to adjust the position, and by moving the carriage body 40, the storage box 42 is moved to the carriage. Travel route 4
8 (horizontal direction orthogonal to the horizontal path portion 5b shown in FIG. 7) to adjust the position.
The height of the storage box 42 is adjusted accordingly. Thereby, the target replacement dummy bar head 11 is accurately aligned with the lower end of the dummy bar main body 9. Then, the horizontal pin 10 is inserted, and the replacement dummy bar head 11 for the above purpose is attached to the dummy bar main body 9.

The dummy bar 3 replaced with the target replacement dummy bar head 11 is lifted by the two hoists 24 so that the dummy bar head 11 moves upward together with the dummy bar 3 from one of the storage portions 52 of the storage box 42. Will be raised. Thereafter, the head replacement cart 36 containing the removed dummy bar head 11 is moved to the guide 2.
The dummy bar head 11 can be easily replaced by returning the dummy bar head 11 to the dummy bar head storage 35 from the upper surface of the dummy bar head 8. Further, since the inside of the storage box 42 is partitioned into one storage part 52 and the other storage part 53 by a partition plate 51, the storage box 42 is raised in the one storage part 52 or the other storage part 53. Dummy bar head 11 stored
Can be prevented from falling down when the head replacement cart 36 runs.

In the above embodiment, as shown in FIG.
Although the tail pins 16 and the hooks 26 are provided as a pair of left and right sides (two each), three or more tail pins 16 and hooks may be provided. In the above embodiment, the cylinder device 30 is used as an example of the driving device, but an electric motor may be used.

[0038]

As described above, according to the present invention, when the dummy bar is not used, the dummy bar may be suspended in a vertical position using a suspending machine to stand by, and the dummy bar may be moved in the vertical direction (vertical direction). ) Can be moved in and out of the casting path by raising and lowering, so that the space required for moving in and out can be narrowed in the casting direction. Therefore, the size of the continuous casting equipment is reduced in the casting direction, and the equipment cost is reduced. In addition, a high-temperature slab can be supplied to a cutter installed on the downstream side, and high-speed cutting can be performed.

Further, a dummy bar separating device conventionally provided for separating the dummy bar head from the tip of the slab is not required, and the cost can be reduced. Further, replacement of the dummy bar head can be easily performed.

[Brief description of the drawings]

FIG. 1 is an embodiment of the present invention and is a side view of a dummy bar insertion / removal device in a continuous casting facility.

FIG. 2 is a view taken along the line XX in FIG.

FIG. 3 is a schematic side view showing the configuration of the continuous casting facility.

FIG. 4 is a side view of the dummy bar.

FIG. 5 is a view as viewed in the direction of arrows XX in FIG. 4;

FIG. 6 is an enlarged view of the first engagement portion of the dummy bar and the second engagement portion of the cast piece, showing a state where the first engagement portion and the second engagement portion are separated.

FIG. 7 is a plan view of a guide bar and a dummy bar head storage space of the dummy bar loading / unloading device.

8 is a view as viewed in the direction of arrows XX in FIG.

FIG. 9 is a side view for explaining a procedure of inserting a dummy bar.

FIG. 10 is a side view illustrating a procedure of inserting a dummy bar.

FIG. 11 is an enlarged view of the first engagement portion of the dummy bar and the second engagement portion of the cast piece, showing a state where the first engagement portion and the second engagement portion are engaged with each other.

FIG. 12 is a side view illustrating the procedure of pulling out the dummy bar.

FIG. 13 is a side view illustrating the procedure of pulling out the dummy bar.

FIG. 14 is a side view illustrating the procedure of pulling out the dummy bar.

FIG. 15 is a side view illustrating the procedure of pulling out the dummy bar.

FIG. 16 is a side view for explaining the procedure of pulling out the dummy bar.

FIG. 17 is an enlarged view of the first engagement portion of the dummy bar and the second engagement portion of the cast piece, showing a state where the first engagement portion is separated from the second engagement portion.

FIG. 18 is a side view for explaining the procedure when replacing the dummy bar head.

FIG. 19 is a side view for explaining the procedure when replacing the dummy bar head.

FIG. 20 is a side view illustrating a procedure for replacing the dummy bar head.

FIG. 21 is a side view of a dummy bar loading / unloading device in a conventional continuous casting facility.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Continuous casting equipment 2 ... Cast piece 3 ... Dummy bar 4 ... Mold 5 ... Casting path 5b ... Horizontal path part 7 ... Pinch roll (transfer roll) 9 ... Dummy bar body 11 Dummy bar head 17 First engaging portion 22 Dummy bar insertion / removal position 23 Dummy bar insertion / removal device 24 Hoisting machine (suspension machine) 28 Guide member 29: Horizontal axis 30: Cylinder device (drive device) 35: Dummy bar head storage area 36: Head replacement trolley 45: Second engaging part A: Casting direction B: Reverse feeding direction C: Guide position D: Retreat position E: Head replacement position

Claims (5)

[Claims] 1. A dummy bar is transported along a casting path in a casting direction and a reverse direction by using a plurality of transfer rolls provided on a casting path. A dummy bar insertion / removal device in a continuous casting facility configured to be conveyed in a casting direction along a path, wherein a dummy bar insertion / removal position is set on a horizontal path portion of the casting path,
Above the dummy bar loading / unloading position, a suspending device is provided for hanging the dummy bar up and down freely, and at the dummy bar loading / unloading position, the dummy bar suspended by the suspending device is horizontally moved along the horizontal path from the vertical direction. A guide body for guiding the dummy bar is provided, and the guide body is configured to be movable between a guide position for guiding the dummy bar and a retreat position for retreating outward from the casting path. Dummy bar loading / unloading device in continuous casting equipment. 2. The guide body is provided so as to be vertically rotatable about a horizontal axis orthogonal to a casting path, and includes a driving device for rotating the guide body between a guide position and a retracted position. The dummy bar loading / unloading device in the continuous casting facility according to claim 1, wherein: 3. The dummy bar is composed of a dummy bar main body and a dummy bar head, a hanging machine suspends the dummy bar with the dummy bar head being down, and the guide body is configured to move the dummy bar horizontally with the dummy bar head at the guide position at the guide position. The dummy bar loading / unloading device in the continuous casting equipment according to claim 1 or 2, wherein the device is guided in a direction opposite to the casting direction along the direction. A first engaging portion is formed on the dummy bar head, and a second engaging portion for engaging with the first engaging portion is formed at a tip of a cast piece by solidification of molten steel. The dummy bar loading / unloading device according to claim 3, wherein the first engaging portion is configured to be separated from the second engaging portion when orthogonal to the casting path. 5. A dummy bar head is detachably connected to a dummy bar main body, a dummy bar head storage space is formed on a side of the guide, and a head replacement carriage for carrying a replacement dummy bar head is provided in the dummy bar head storage space. A head replacement position at which the guide body is in a horizontal posture is set between the guide position and the retreat position, and the head replacement cart reciprocates between the guide body held at the head replacement position and the dummy bar head storage area. The dummy bar loading / unloading device in the continuous casting equipment according to claim 3 or 4, wherein the device is configured to be freely movable.