JPH025503B2 - - Google Patents

Abstract

1. Apparatus for a short dummy bar, which can be introduced between driving rollers located in the curved path of a curved continuous metal casting plant approximately horizontally from a holder through an opening in the roller frame or in the cooling chamber, characterised in that the holder (5) is movable on a rail track (17) extending transversely to the direction of casting (15) and has a delivery plane (18) and a depositing plane (19), with the delivery plane (18) and the depositing plane (19) being connected together by a transport means (41, 42, 43) which diverts the dummy bar (3), and being arranged in vertical positions one above the other.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention provides an apparatus for casting a continuous casting machine, in which a roller holder is passed approximately horizontally from a housing part through an opening in a roller mount or a cooling chamber between drive rollers arranged in a curved part of a curved continuous casting equipment. The present invention relates to a continuous casting device having a short dummy bar inserted therein.

Conventional technology As a short dummy bar used in continuous casting equipment for metals, especially continuous casting equipment for arcuate steel, it has traditionally been placed on a transport vehicle from the casting table and inserted into the continuous casting mold from above. (Federal Republic of Germany Application Announcement No.
No. 1961443). Alternatively, in order to prevent the short dummy bar from passing through the continuous casting mold, it is known that the short dummy bar is inserted through an opening in a cooling chamber or a roller mount and between driven rollers in a support roller mount. It is being
As a conventional example of the latter, the one shown in Federal Republic of Germany Application Publication No. 1508758 is known,
Here, a device for starting a short casting is shown, which is fixedly mounted above the drive adjustment device.

Problems to be Solved by the Invention The latter conventional example described above has the disadvantage that an expensive drive device is required to transport the dummy bar. Furthermore, a space is required for a device fixedly provided on the side of the cooling chamber or above the drive adjustment device, and there is a problem in that it is difficult to maintain the dummy bar in this space.

Therefore, the present invention solves these problems and makes it possible to maintain the dummy bar in a region other than the high temperature area during casting work.At the start of casting, preparations for inserting the dummy bar are completed and the dummy bar is moved from the head side in the direction of conveyance. The purpose is to make it possible to carry it to

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention provides a method for moving a roller frame or a cooling chamber from a housing part almost horizontally between drive rollers arranged in a curved part of a curved continuous casting equipment. In a continuous casting device having a short dummy bar inserted through an opening, the housing part includes:
It is composed of a frame body movable on a rail track arranged perpendicular to the casting direction, and has a horizontal storage surface and a loading surface arranged one above the other in the height direction, and a horizontal storage surface and a loading surface. and a driving means for driving the dummy bar in its length direction along the storage surface, and the storage surface is configured to move the dummy bar taken out from the casting path after the operation of pulling out the continuous cast body from the mold to the driving means. The loading surface is configured to be able to gradually take in and store the dummy bar from the rear end side by the drive device, and the loading surface receives the dummy bar that is gradually drawn out from the storage surface from the head side by the drive device. It is configured to be able to guide delivery between the drive rollers.

Function This type of structure has the advantage that maintenance of the dummy bar can be carried out in a place other than the high-temperature area, and the dummy bar is pulled out in the direction of motion from the drive adjustment device at its end, but then brought in again from the starting head side. It can be carried on the road.

According to the present invention, the accommodating portion has a horizontal frame portion and a vertical frame portion, and is constituted by the horizontal frame portion having the loading surface, and the storage surface is constituted by the other horizontal frame portion, and each The surface may be provided with a pair of rollers. In this case, a drive chain is provided between the pair of rollers, which drive chain can have a hook and can be hooked onto the sprocket. Such an arrangement is very simple and results in a drive of economical dimensions and economical operation.

When accommodating one or more dummy bars in the accommodating part, the accommodating part is configured to be able to accommodate a plurality of dummy bars in the running direction, and the centers of each dummy bar are arranged parallel to each other with a distance between them. Drive means can be provided at each central position. In this way, accommodation can be easily carried out.

At the opposite end of the storage section from the loading side, there is a hoisting device located above the storage surface, and a drive chain attached to the horizontal frame portion of the loading surface located tangentially to one of the sprockets on which the drive chain is hung. vertical guide rails may be provided. With such an arrangement, the dummy bar can be transported into the storage surface particularly easily.

In this case, a switch may be provided between the storage surface and the loading surface as a switching means for opening and closing the movement path of the dummy bar to the loading surface. With such a configuration, it is possible to determine the movement route toward the storage surface or the delivery surface.

Embodiment Hereinafter, an embodiment of the present invention will be described in detail based on the drawings.

In a curved steel continuous casting equipment 1, a relatively short dummy bar 3 is fitted from below into a continuous casting mold 2, and after a sealing 4 is inserted at the edge of the pouring cross section, the molten metal is poured into the continuous casting mold. 2
is injected into the. The relatively short dummy bar 3 is fitted into the housing part 5. Accommodation part 5
is moved to a position above the drive adjustment device 6 and next to the cooling chamber 7. The cooling chamber 7 is equipped with a flap 8 for the entry stroke, when the flap 8 is opened the dummy bar 3 moves through the guide 9 and the opening 10 into the action range of the drive roller 11.
From here, the dummy bar 3 connects to the starting head 13.
The support roller 12 of the roller mount 12 is
a into the entrance part of the continuous casting mold 2. At the start of casting, the drive roller 11 drives the rotary drive 14 (only shown in outline) until the dummy bar 3, together with the connected continuous casting body (not visible in the figure), is within the range of action of the drive adjustment device 6. receive. After the rear end 3a of the dummy bar 3 has passed the last drive roller pair 6a in the casting direction, the dummy bar 3 has its annular body 3b connected to the winding device 16.
The container is suspended from the hook 16a and transferred to the storage section 5 (FIG. 2).

The receptacle 5 (FIGS. 2 to 6) can be moved in the manner of a crane track along a rail track 17 laid at right angles to the casting direction 15.

The storage section 5 further includes a carry-in surface 18 and a storage surface 19 located above the carry-in surface 18.

In order to shorten the installation time of the dummy bar 3 and to avoid expensive steel structures for supporting the relatively long dummy bar 3, the receiving part 5 is further constructed as follows. The receptacle 5 is thus formed by fixedly connected horizontal frame parts 20, 21, 22 and vertical frame parts 23, 24, 25. Here, the horizontal frame portion 22 is the loading surface 18
, and the horizontal frame portion 21 has a storage surface 19
It is equipped with Storage surface 19 supports roller pairs 26 . The carry-in surface 18 is formed by rollers 26a. Sprockets 27 and 28 are supported at both ends of the accommodating part 5, and these sprockets 27 and 28 are rotatably supported on the loading surface 18, and by adjusting the diameter and circumference arrangement, the sprockets 27 and 28 can be rotated on both sides. It is supported. A drive chain 29 is attached to such a pair of sprockets 27 and 28.
is hung, and at least one hanger 30 is fixed thereto. As the sprocket 27 is rotated by a motor 33 connected via a transmission 31 and a clutch 32, the chain 29 is driven to travel.

For multi-layer continuous casting equipment, the running direction 34 of the housing section 5 is set at intervals of the center positions (FIG. 3) of a plurality of parallel dummy bars.
A separately arranged transmission 31 having sprockets 27, 28 and a motor 33 is provided. One winding device 16 is provided at the center of each dummy bar.

The storage part 5 can be moved by means of wheels 35, 36 and a travel drive 37 (FIGS. 3 and 4). A protrusion 38 for supporting the hoisting device 16 is formed on the frame portion 20 . The rear end 5a of the storage section 5 corresponds to the carrying-in surface 18.
A vertical guide rail 40 is provided on the frame part 22 at. The transport means for the dummy bar 3 is such that the dummy bar 3 is transferred to the storage surface 19 by means of a turnout 41 as a conversion means at the stage depicted in FIG.
In order to transport the dummy bar 3 toward the storage surface 19, one rear end 3a of the dummy bar 3 enters the storage surface 19 together with the ring body 3b. The turnout 41 has a tongue piece 42, and this tongue piece 42
is supported so as to be able to rotate around the shaft 43 of the roller 26a. The dummy bar 3 is pulled up high to the position shown in FIG. 5 and rests on the storage surface 19. When transferring the dummy bar 3 to the carry-in surface 18 along the carry-in direction 44, the branch 41 is switched (FIG. 6), so the motor 33 is
9 is transferred to the carry-in surface 18 together with the dummy bar 3. The dummy bar 3 thus enters the guide 9 and the opening 10 with its starting head 13 along the loading direction 44, as described above.
It reaches between the drive rollers 11.

Effects of the Invention As described above, according to the present invention, the dummy bar can be maintained in a region other than the high temperature area during the casting operation, and moreover, the dummy bar can be transported from the head side in the carrying direction at the start of casting. In addition, the driving means simply reciprocates the dummy bar in its length direction along the storage surface and moves the dummy bar in its length direction along the loading surface. Interlocking chains or the like can be used, so the construction can be simple and inexpensive.

[Brief explanation of drawings]

FIG. 1 is a side view of a curved steel continuous casting facility with a housing section for short dummy bars and a cooling chamber;
FIG. 2 is a side view of the accommodation section for short dummy bars in the accommodation stage; FIG. 3 is a cross-sectional view of the accommodation section for a plurality of dummy bars; FIG. 4 is a plan view of the accommodation section for a plurality of dummy bars; Figure 5 is a side view of the storage section similar to Figure 2 when the short dummy bar has reached the storage surface, and Figure 6 is the same as Figures 2 and 5 when the short dummy bar has moved to the loading surface. It is a side view of the accommodating part of. 3...Dummy bar, 5...Accommodation section, 7...Cooling chamber, 11...Drive roller, 17...Rail track,
18... Carrying surface, 19... Storage surface, 41... Turnout (conversion means).

Claims (1)

[Claims] 1. A continuous caster having a short dummy bar that is inserted almost horizontally from a housing part through an opening in a roller mount or a cooling chamber between drive rollers arranged in a curved part of a curved continuous casting equipment. In the casting apparatus, the storage section is constituted by a frame body movable on a rail track arranged at right angles to the casting direction, and horizontal storage sections arranged one above the other in the height direction. and a driving means for driving the dummy bar in its length direction along the storage surface and the loading surface, the storage surface comprising:
The dummy bar taken out from the casting path after the work of pulling out the continuous cast body from the mold is completed is configured to be gradually taken in and stored from the rear end side of the dummy bar by the driving means, and the loading surface is A continuous casting apparatus characterized in that the continuous casting apparatus is configured to receive a dummy bar gradually paid out from the storage surface from the head side by the driving device, and to guide the delivery of the dummy bar between the driving rollers. 2 The storage section has first to third horizontal frame parts and first to third vertical frame parts, the carrying-in surface is constituted by the third horizontal frame part, and the storage surface is constituted by the second horizontal frame part. A pair of rollers is provided on each of the loading and storage surfaces, and a drive chain that is hung on a pair of sprockets and equipped with a hook is provided between the pair of rollers. The continuous casting apparatus according to claim 1, further comprising a driving means. 3 The accommodating part is configured to be able to accommodate a plurality of dummy bars in the running direction of the accommodating part, the center positions of each dummy bar are arranged parallel to each other at a distance, and each center position is provided with a driving means, respectively. The continuous casting apparatus according to claim 1 or 2, characterized in that: 4 The storage section has a hoisting device located above the storage surface at the end opposite to the loading side, and a horizontal frame portion of the loading surface located tangentially to one of the sprockets on which the drive chain is hung. Continuous casting apparatus according to claim 2, characterized in that it has a vertical guide rail attached thereto. 5 A conversion means is provided between the storage surface and the carry-in surface, and this conversion means is capable of opening a movement path for moving the dummy bar taken out from the casting path toward the storage surface, and is capable of opening this movement path. Claims 1 to 4 include a turnout that can close the storage surface and guide the dummy bar, which is gradually drawn out from the storage surface from the head side, toward the loading surface. The continuous casting device according to any of the above.