KR200222938Y1 - Apparatus for rotating slab - Google Patents

Abstract

The present invention is designed to repeat the damage of the slab during the slab flipping operation, the shape change due to the chain tension when switching the upper and lower sides of the slab with the clamping cylinder, the risk of burn injury due to the heat conduction of the hot slab when using the tool, and the attachment and detachment of the slab. It is an object of the present invention to provide a rotary device that can improve the hassle and risk factors of a fall accident during a moving operation.

The rotary device of the present invention is a device for inspecting the top surface of the slab seated in the holder by the seating means and then rotating the slab while holding the slab by the holding means, and then inspecting the back surface of the slab.

Description

Apparatus for rotating slab

The present invention relates to a post-treatment apparatus of a continuous casting method, and more particularly, to a rotating device for inverting the slab to check and grind the state of the upper and lower surfaces of the completed slab through the continuous casting machine.

Continuous casting is a method of continuously injecting molten steel into a mold, cooling, and solidifying to continuously manufacture slabs, blooms, billets, and the like.

This method is a performance method that omits the process of disintegration, and features great advantages such as energy cost reduction, product yield rate improvement, product production cost reduction, and delivery deadline.

In the continuous casting machine using the continuous casting method, the slab (cast) is completed, the surface of the product is inspected.

This surface inspection is to inspect the upper and lower surfaces of the slab, and for this purpose, the upper surface is inspected and then reversed to inspect the rear surface.

FIG. 6 shows a conventional maniplator for flipping the slab.

The maniplate is hinged to the lifting cylinder 4, the clamping cylinder 6, and the support 2, which is installed at the lower portion of the support 2, and is rotated by the lifting cylinder 4 while one point is supported by the support 2 A lifting lever 10 for releasing or pulling the chain 8 fixed to the upper and lower sides of the slab 12 when the slab 12 is positioned at the lowermost position by being connected to the clamping cylinder 6. ) Is configured as a clamper 14 to be placed on the chain (8).

Subsequently, referring to the operation of the conventional maniplate, as shown in FIG. 6, the slab 12 having completed the top surface inspection is seated on the manifold upper portion.

The seated slab 12 is placed on the chain 8, and when the chain 8 is loosened by the lifting cylinder 4, the slab 12 is lowered to the lower part of the inner space of the support 2 by its own weight. .

Then, when the clamping cylinder 6 is operated to move the clamper 14 toward the slab 12, the lower part of the slab 12 is pushed, and the slab 12 is mounted on the clamper 14.

In this state, when the clamping cylinder 6 returns to its original position, the slab 12 is placed on the chain 8 with its lower surface facing upward.

Subsequently, pulling the chain 8, pulling the slab 12 upwards, and then lifting the lifting lever 10 again, the slab flipping operation is completed.

In the conventional slab flipping operation, when the slab placed on the chain descends, the edge portion of the slab is rubbed with the chain, thereby deforming the shape, and the slab may fall as the chain is stretched and broken due to the wear of the chain link portion.

In addition, the chain marks appear more severely on the edge side of the slab when the slab bottom is pushed to change the slab top and bottom directions with the clamping cylinder.

In addition, due to the increased chain, the center of gravity of both sides does not fit when the slab rises, so the slab is inclined to one side, which causes inconvenience of raising the slab using a crane and a wire rope.

When the slab mounted on the lifting lever is pushed by the clamping lever to grind the slab, the back surface of the slab is scratched by friction with the upper surface of the lifting lever pad. It is used to insert it in the area where it touches, but it is troublesome for the worker to attach and remove it every slab.

In addition, when the worker repeats the attachment and detachment, there is a risk of a safety accident falling from the upper and lower movements of the maniplate with the risk of burn accident due to the heat conduction of the hot slab.

The present invention was devised to solve such a problem, and an object of the present invention is to damage the slab during the slab flipping operation, the shape change due to the chain tension when switching the upper and lower sides of the slab with the clamping cylinder, and the high temperature when using the tool. It is to provide a rotary device that can improve the risk of burn accidents due to the heat conduction of the slab, the hassle of repeating the attachment and detachment, and the risk factors of the fall accident during the movement.

1 is a perspective view showing a rotating device of the slab according to the present invention.

Figure 2 is an exploded perspective view showing a partially cut off the motor side and one side of the support of the rotating device.

3 is an exploded perspective view showing the other side of the support and the rotating body side of the rotating device partially cut.

Figure 4 is a perspective view showing the seating means of the rotary device.

5 is a schematic view showing the operation of the rotating device.

6 is an operation diagram showing an operation process of a conventional rotating device.

<< Explanation of symbols for main part of drawing >>

S ... slab

20 ... Support 24 ... Support Guide

40 ... electric box 60 ... joint box

80 ... Joint side rotor 100 ... Motor side rotor

120 holding means 140 seating means

In order to achieve the above object, the slab rotating device of the present invention, the support portion including a plurality of supports are formed on the inner circumferential support guide groove; A rotary part having rollers corresponding to the support guide grooves at both ends and connected to a motor, the rotating part including a plurality of rotating bodies rotating in the plurality of supports; A holding part holding the slab at both ends while moving in and out by a cylinder in which a plurality of holders installed in the plurality of rotating bodies are connected to a plurality of rods; A seating arm hinged to each of the plurality of holders is rotated by a cylinder connected to a plurality of rods, and includes a seating portion that supports the slab.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 is a perspective view showing a rotating device of the slab according to the present invention.

The rotating device of the present invention is a device for inspecting the top surface of the slab seated on the seating means of the holder and then rotating the slab while holding the slab by the holding means, and then inspecting the back surface of the slab.

The slab rotating device is composed of a supporting part, a rotating part, a holding part and a seating part.

This will be described in more detail as follows.

The support portion includes a plurality of supports arranged at a predetermined distance apart.

The support 20 has a half moon-shaped space 22. A support guide groove 24 is formed on the inner circumferential surface of the space portion 22.

And the outer side of the support 20, the electric box 40, the motor 42 is embedded and the joint box 60, the built-in joint is installed.

As shown in FIG. 2, a speed reducer 44 is installed on the rotating shaft 42a of the motor 42, and speed control is possible, and a rotating body connecting plate 46 is provided on the rotating shaft 42a of the motor 42. Coupling is connected.

This rotor connecting plate 46 is welded to the motor side rotor which will be described later.

As shown in FIG. 3, a hydraulic pipe 64 for supplying hydraulic pressure is provided at the center of the joint shaft 62 provided in the joint box 60, and the joint shaft 62 is a joint side turn described later. Combined with the whole.

The hydraulic pipe 64 is connected to the rotating body side cylinder and the holder side cylinder to supply hydraulic pressure.

On the other hand, the rotating part includes a joint side rotating body 80 and a motor side rotating body 100, and the two rotating bodies are identical in structure.

The rotary joint 82 is installed at the center of the joint-side rotating body 80, and the rotary joint 82 is connected to the joint shaft 62 described above, and the hydraulic pipe 64 is disposed at the center of the rotary joint 82. do.

The above-described joint side rotating body 80 and the motor side rotating body 100 are provided with rollers 82 and 102 which are seated in the support guide grooves 24 at both ends, respectively.

In the inside of the joint-side rotating body 80, an installation space 84 in which the holding means 120 is installed is formed, and in the installation space 84, a guide shaft 122 is installed to prevent the holder, which will be described later, from being unbalanced. .

The holding means 120 included in the holding part is a means capable of gripping or releasing the slab S by using the rotating body side cylinder 124 which is a hydraulic cylinder, and the holding means 120 is as follows. It is a component.

The plurality of holders 126 are inserted into the guide shaft 122 of the motor-side rotating body 100 and the joint-side rotating body 80, and is rotated in place of the installation space 84 of the joint-side rotating body 80. The whole side cylinder 124 is provided.

In addition, one end of the rotating body side first rod 128a is hingedly connected to the piston rod 124a of the rotating body side cylinder 124 and the other end is hinged to one of the holders 126a of the plurality of holders 126. .

In addition, one end of the rotating body side second rod 128b is fixed to the other holder 126b of the plurality of holders, and the other end is hinged to the rotating body side interlocking rod, which will be described later.

The rotating body side linking rod 130 is hinged at one end of the rotating body side piston rod 124a and the rotating body side first rod 128a at the same time, and the other end of the rotating body side second rod 128b is hinged. Is connected, the middle portion 132 is hinged in place in the installation space 84.

Meanwhile, as shown in FIG. 4, the seating means 140 included in the seating unit includes a set of seating arms 142a and 142b installed in each holder 126, a holder side cylinder 144, and a holder. The side first rod 146, the holder side second rod 148, and the holder side interlocking rod 150 are comprised.

The seating arms 142a and 142b described above are installed in a pair of holders, and each of them is hinged to a bottom surface of the holder 126.

The holder side cylinder 144 is provided on the lower surface of the holder 126a between the set of mounting arms 142a and 142b.

One end of the holder-side first rod 146 is hinged to the piston rod 144a of the holder-side cylinder 144, and the other end of the holder-side first rod 146 is one seating arm ( Hinged to 142a).

One end of the holder-side second rod 148 is hinged to the other seating arm 142b, and the other end of the holder-side second rod 148 is connected to a holder-side linkage rod 150 described later.

One end of the holder-side linkage rod 150 is hinged to the holder-side piston rod 144a and the holder-side first rod 146 at the same time, and the other end of the holder-side linkage rod 150 is formed of the holder-side linkage rod 150. 2 is hinged to the other end of the rod 148, the middle portion (150a) is hinged to the holder (126a).

Rotating device of the present invention is configured as described above shows the following operations and effects.

After the flaw removal work generated on the upper surface of the slab S is completed, the slab S is seated on the apparatus to inspect the lower surface.

The seating arms 142a and 142b face the 90 ° direction with respect to the holder 126a when the slab S is seated, and the holder 126a is rotated by the rotating cylinder 124 of the holding means 120. It is slightly wider than the width of S).

In this state, the piston rod 144a of the holder-side cylinder 144 is fixed inwardly so as to seat the slab S on the seating arms 142a and 142b and to fix the slab S so that the grinding and flipping operations can be performed. When the holder-side interlocking rod 150 is inserted to stand, the holder-side first rod 146 and the holder-side second rod 148 pull the plurality of holders 126a, and as a result, the inner surface of the holder 126a. The slab S is gripped while being in close contact with both sides of the slab S.

At this time, the guide shaft 122 guides the holder 126a to prevent unbalasing of the two holders.

Subsequently, when the gripping operation of the slab S is completed, the motor 42 is operated to turn over and the motor 42 is turned to a low speed in the reduction gear 44 connected to the motor 42 so that the rotating body 100 is reversed. B) (C) In order to rotate without difficulty. On the contrary, when returning to the original position, it rotates forward in the order of (C) and (B).

When the slab is flipped with the upper and lower sides changed, the working method is selected by grinding by machine and by manual grinding according to the surface condition.

In the case of grinding using a machine, the holder side piston rod 144a is inserted into the cylinder by operating the holder side cylinder 144 and the holder side interlocking rod 150 is rotated so that the holder side first rod 146 is rotated. ) And the second rod 148 on the holder side are pulled out, and a set of seating arms 142a and 142b are angled to the holder side to allow the machine to grind the work. 142a) and 142b are switched from 90 ° to 180 ° to allow grinding operation. If the grinding is necessary due to good condition, the cylinder 124 may be operated to rotate the holder 126. Expand

As described above, the embodiment according to the present invention substantially solves the conventional problems.

That is, the rotary device of the present invention can prevent damage to the slab because it does not impact or scratch the edge portion or surface of the slab during the slab flipping operation.

In addition, the present invention does not require the operator to repeat the attachment and detachment every slab because it is not necessary to insert the self-produced tool in the area where the chain and the slab is in contact to prevent the occurrence of a flaw by the chain.

In addition, there is no risk of a safety accident due to a burn accident or a fall because the operator does not have to be put into a high temperature slab operation.

Claims (1)

In the device for rotating the slab to inspect the upper and lower surfaces of the cast slab, A support part including a plurality of supports having support guide grooves formed on an inner circumferential surface thereof; A rotating part having rollers corresponding to the support guide grooves at both ends and connected to a motor, the rotating part including a plurality of rotating bodies rotating in the plurality of supports; A holding part holding the slab at both ends while moving in and out by a cylinder in which a plurality of holders installed in the plurality of rotating bodies are connected to a plurality of rods; Rotating device of the slab characterized in that it comprises a seating portion for receiving the slab while being rotated by a cylinder connected to a plurality of rods, the seating arm is hinged to each of the plurality of holders.