JPH0341880Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an endless track type continuous casting device.

[Prior art] As an example of an endless track type continuous casting device, the sixth
There are some as shown in Fig. 7 and Fig. 7.

As shown in FIG. 7, this casting apparatus includes a large number of block molds 1 each having an L-shaped cross section and having two sides 1a and 1b.
b are arranged in a loop in the outward direction orthogonal to the circumferential surface to form an endless track 2 as shown in FIG.
A pair of endless tracks 2 are disposed vertically so that their circumferential surfaces are in contact with each other, and in the contact areas, the block molds 1 face each other point-symmetrically, as shown in FIG.
A casting space 3 is formed by combining the block molds 1, 1 of each endless track 2 and bringing the end face p of the side 1a of each block mold 1 into close contact with the inner surface of the side 1a of the other block mold 1. , and one end of the casting space 3 while driving the endless tracks 2, 2 to rotate in the directions of arrows A and B, respectively, so that the block mold 2 moves in the same direction at the part where the endless tracks 2 touch each other. Molten metal from the opening 4
is injected and the slab 5 is taken out from the opening at the other end.

[Problems to be solved by the invention] In the casting apparatus having the above structure, a casting space is formed in the following order on the molten metal injection side. First, the block mold 1 of the upper endless track 2 is lowered, and the block mold 1 of the lower endless track 2 is raised, and the two block molds 1, 1 gradually approach each other and begin to overlap. Then, as the block molds 1, 1 further move, the end surface p of the side part 1a of each block mold 1, 1 comes into contact with the inner surface of the side part 1b of the other block mold 1, and thereby Four sides 1a, 1
A square casting space 3 is formed by b, 1a, and 1b.

However, during this operation, if the positions of the two block molds 1, 1 to be assembled are shifted from each other in the direction of the arrow C shown in FIG. 8, the corner A of the side portion 1a and Corner B of side 1b
collide, and smooth contact is no longer possible.
There are problems such as increased wear and tear on the block mold 1 due to collisions.

[Means for Solving the Problems] The present invention solves the above problems by providing a pair of endless tracks offset in the width direction of the block mold in the area in front of the casting space. At the same time, in order to gradually approach the block molds from the front side of the casting space to the casting space, the block molds of at least one of the endless tracks are moved in the width direction from the state where they are shifted in the width direction. It is characterized by being provided with a guide rail to guide movement.

[Function] In the casting apparatus with the above configuration, when the block molds of both endless tracks start contacting each other, the block molds are shifted in the width direction, and from this state, the width is adjusted by being guided by the guide rail. Gradually approach the direction. Therefore, the angle A of the side 1a
This eliminates the possibility that the block mold collides with the corner B of the side portion 1b of the opposing block mold, and the mold space is smoothly formed.

[Example] Hereinafter, an example of the present invention will be described with reference to FIGS. 1 to 5.

FIG. 1 shows the overall configuration of a casting apparatus according to an embodiment.
This casting device has the same configuration as the conventional casting device shown in FIGS. 6 and 7 except for the following points, so the same components are given the same reference numerals and their explanations will be omitted. do.

The difference between this casting device and the conventional one is that the guide rail is placed in the area including the section where the casting space 3 is being formed from the point where the block molds 1, 1 of the upper and lower endless tracks 2, 2 begin to approach each other. As shown in FIG. 2, grooves 12 into which the guide rails 10 and 11 fit are provided on the back surface of the block mold 1, and the block molds 1 and 1
The point is that it moves by being guided by numbers 0 and 11.

In this case, the guide rails 10, 11 are such that the block molds 1, 1 of both endless tracks 2, 2 gradually move in the direction in which the side portion 1a of the block mold 1 extends as the block molds 1, 1 move. That is, the slabs 5 are guided so as to approach each other in the width direction, and are constructed as shown in FIGS. 3 and 4. That is, at the stage when the block molds 1, 1 start approaching in the vertical direction, the upper and lower guide rails 10, 11 are shifted from each other in the width direction of the slab 5, that is, in the two directions in FIG. (When viewed from above, the upper and lower guide rails are separated in two directions.) As the block molds 1 and 1 begin to contact each other,
Both guide rails 10, 11 gradually approach the center L, and in the area H where both block molds 1, 1 form the casting space 3, the guide rails 10, 11
The top and bottom positions overlap. Arrows H and F in FIGS. 3 and 4 indicate the direction in which the upper and lower block molds 1, 1 move.

In a track casting machine equipped with such guide rails 10, 11, block molds 1,
1 moves as shown in FIG. 5 to form a casting space 3.

First, as shown in the figure, the upper and lower block molds 1, 1 begin to approach each other in the vertical direction (in the figure) due to the circular movement of the endless track 2.
At this point, the upper and lower block molds 1, 1 are both offset from the center of the slab and are spaced apart in two directions.

Then, as the block molds 1, 1 move further, the positions of the guide rails 10, 11 in the two directions approach each other, so that the two block molds 1, 1 gradually approach each other in the two directions due to the action of the guide rails 10, 11. do. In other words, the block molds 1, 1 approach each other in both directions. At this time, the end surface P of the side portion 1a of the block mold 1 is inside the side portion 1b of the block mold 1 on the other side. Conversely, at this point, it is necessary to match the timing of the bending of the guide rails 10, 11 and the rotation of the endless tracks 2, 2 so that the positional relationship as shown in the figure is achieved.

Thereafter, as the block molds 1, 1 move further, both the block molds 1, 1 approach each other in two directions, and the side 1a of the block mold 1 comes into contact with the inner surface of the side 1b of the other block mold 1. Moreover, they are in close contact with each other, thereby forming a casting space 3.

Therefore, when the upper and lower block molds 1, 1 come into contact, their corners do not collide with each other, and the casting space 3 is smoothly formed.

In the above embodiment, guide rails are provided on both the upper and lower endless tracks, but it is also possible to provide guide rails on only one of the endless tracks.

Further, in the above embodiment, the endless tracks are arranged one above the other, but the present invention is of course not limited thereto.

[Effects of the invention] As explained above, the invention provides a pair of endless tracks shifted in the width direction of the block mold in the area in front of the casting space, and
A guide rail is provided in the area from the front of the casting space to the casting space to guide and move the block molds in the width direction so that the block molds gradually approach each other from the state where they were shifted in the width direction. Since the mold space is formed smoothly, the corners of the block molds of both endless tracks will not collide with each other, and problems such as increased wear and tear of the block molds will be avoided. It has the advantage of being able to prevent

[Brief explanation of drawings]

Figures 1 to 5 are for explaining one embodiment of the present invention. Figure 1 is a side view showing the overall outline of the casting device, Figure 2 is a cross-sectional view taken along the - line in Figure 1, and Figure 3 is a view taken along the - line in Figure 1 showing the positional relationship between the upper and lower guide rails 10 and 11, Figure 4 is a side view of the portion shown in Figure 3, and Figure 5 shows the upper and lower block molds. The second part shows the movement status of
A sectional view seen from the same direction as the figure, Fig. 6 is an overall side view of a conventional endless track type continuous casting machine, and Fig. 7 is a sectional view of the conventional endless track type continuous casting equipment.
8 is a sectional view taken from the same direction as FIG. 7, which is shown to explain the conventional problems. 1...Block mold, 1a, 1b...Side part, 2
... Endless track, 3 ... Casting space, 4 ... Molten metal, 5
...Slab, 10, 11...Guide rail, 12...
...Groove, P...End face, H...A region forming a casting space.

Claims (1)

[Scope of utility model registration request] A large number of block molds each having an L-shaped cross section having a side part a and a side part b are prepared, with the side part a along the circumferential surface and the side part b
are connected in a loop shape in the outward direction orthogonal to the circumferential surface to form a pair of endless tracks, and a pair of these endless tracks are formed so that a part of their circumferential surfaces touch each other, and the block molds are point symmetrical in the touching part. The block molds of each endless track are arranged so as to face each other, and the end face of the side part a of each block mold is brought into close contact with the inner surface of the side part b of the other block mold, thereby forming a casting space. , and while driving the endless tracks so that the block molds move in the same direction at the portions where the endless tracks touch each other, molten metal is injected into the casting space to produce slabs. In the orbital continuous casting apparatus, the pair of endless tracks are provided in an area in front of the casting space in a state shifted in the width direction of the block mold, and in an area extending from this side of the casting space to the casting space, At least one of the block molds is moved gradually closer to each other from being offset in the width direction so that the side a of one block mold contacts the side b of the other block mold. An endless track type continuous casting device characterized by being provided with a guide rail for guiding movement of a block mold of the endless track in the width direction.