KR101656231B1 - Apparatus for replacing swing roll in looper system - Google Patents

Abstract

A swing roll replacing apparatus for swinging a swing roll of a looper facility rotatably accommodates a swing roll, and a frame constituting a swing roll unit together with a swing roll, a swing roll unit is mounted, at least one of which supports a strip passing through the swing roll A fixing mechanism for releasably securing the frame to the upper surface of the support beams, a conveying mechanism for conveying the swing roll units on the support beam, and a degree of wear of the swing roll supporting at least the strip And a wear detector for controlling the operation of the fixing mechanism and the transfer mechanism in accordance with the detection result.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a swing-

The present invention relates to a looper facility for storing strips in a continuous cold rolling process, and more particularly to a swing roll replacement apparatus for replacing a swing roll that supports a strip passing through a looper facility.

In general, looper facilities are mainly used for cold rolling facilities that produce steel sheets in a continuous operation, and are equipment for continuous normal movement of strips during work such as welding work, material defect inspection, strip shearing, and the like. The storage capacity of such a looper facility is about 300 m. As shown in FIG. 1, the strip S passes through the support rolls 10 installed at both ends of the looper facility in a zigzag manner. The storage amount of the strip S can be adjusted by reciprocating in the direction of the plate of the strip S, which is provided at one side of the looper apparatus and supports the one support rolls 10.

On the other hand, in order to support the plate of the strip S with only the support rolls 10 installed on both sides of the looper, the strips S passing between the support rolls 10 are spaced apart from each other by the distance between the two support rolls 10, . ≪ / RTI > Therefore, the pair of swing rolls 20 are arranged between the support rolls 10 so as to support the strip S at predetermined intervals along the direction in which the strip S runs. Both sides of the strip S are placed on the upper side of the upper side of the both side swing rolls 20 and the swing rolls 20 are spaced apart from the lower side of the strip S by a predetermined distance. The material of the swing roll 20 is mainly made of urethane. And each swing roll 20 is rotatably mounted on a support beam 32 extending from a column 30 erected on either side of the louver arrangement in the direction of the strip line, as shown in Fig.

However, since the swing roll 20 used in such a looper facility is a small diameter roll having a diameter of approximately 150 mm or less, since the passing speed of the strip S passing through the looper equipment is fast, It is very fast. Accordingly, the replacement of the swing roll 20 is fast because the roll surface of the swing roll 20 is rapidly worn and the replacement period of the swing roll 20 is fast. In order to replace the swing roll 20, The productivity may be deteriorated.

Korean Patent No. 10-0315095

SUMMARY OF THE INVENTION It is an object of the present invention to provide a swing roll replacement apparatus of a looper facility that can replace a swing roll without stopping operation of a cold rolling facility.

According to an aspect of the present invention, there is provided an apparatus for replacing a swing roll of a looper apparatus, the swing roll replacing apparatus including a swing roll rotatably accommodated in the swing roll, ; A plurality of support beams positioned on the swing roll units, at least one of the support beams corresponding to a height for supporting a strip passing through the swing roll; A fixing mechanism for releasably fixing the frame to the upper surface of the support beams; A transfer mechanism for transferring the swing roll units on the support beam; And a wear detector for detecting the degree of wear of the swing roll supporting at least the strip and controlling the operation of the fixing mechanism and the feed mechanism in accordance with the detection result.

Preferably, the support beams include a central support beam having an upper surface on which the swing roll unit is seated, the swing roll of the mounted swing roll unit being disposed at a height to support a strip passing through the looper assembly, And a front support beam and a rear support beam which are arranged at a predetermined distance in the direction of the central support beam and are disposed at a lower level than the central support beam, respectively, And the transfer mechanism transfers the swing roll unit on the central support beam onto the front support beam and the swing roll unit on the rear support beam onto the central support beam, Wherein the abrasion detector detects wear of the swing roll of the swing roll unit that is seated in the center support beam The operation of the fixing mechanism and the feeding mechanism can be controlled according to the detection result.

Preferably, the securing mechanism is an electromagnet fixed within the support beams, and the frame may comprise a material attached to the magnet.

Preferably, the fixing mechanism may be a pair of automatic clamps fixing both sides of the frame.

Preferably, the conveying mechanism includes a front support beam and a center support beam, and rail members connecting the center support beam and the rear support beam to guide movement of the swing roll unit between the support beam members; A traction device installed in front of the front support beam; And wire members for releasably connecting the frame on the traction device and the front support beam and the frame on the front support beam and the frame on the rear support beam.

Preferably, the towing device may be an electric winch.

Preferably, the wear detector may include a distance sensor that measures the distance between the swing roll seated on the central support beam and the surface of the swing roll, which is secured in a spaced apart position.

According to the swing roll replacement apparatus of the looper apparatus of the present invention, when the preliminary swing roll is disposed at the rear of the swing roll in operation and the operating swing roll is worn above the reference, the swing roll, So that the swing roll can be replaced without interrupting the operation of the looper facility and thus the cold rolling mill facility by putting the rear preliminary swing roll into a position in contact with the strip.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a strip line structure of a general looper apparatus. FIG.
2 is a front view showing the installation structure of a swing roll in a general looper apparatus.
3 is a perspective view showing a swing roll replacement apparatus of a looper apparatus according to an embodiment of the present invention.
FIG. 4 is a front view showing a swing roll unit mounted on a center support beam in a swing roll replacement apparatus of a looper apparatus according to an embodiment of the present invention. FIG.
5 is a plan view showing a swing roll replacement apparatus of a looper apparatus according to an embodiment of the present invention.
FIG. 6 is a plan view showing a swing roll worn by a swing roll replacement apparatus of a looper apparatus according to an embodiment of the present invention is replaced with a new swing roll.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 to 6 show a swing roll replacement apparatus of a looper apparatus according to an embodiment of the present invention.

As shown in the drawings, an apparatus for replacing a swing roll of a looper apparatus according to an embodiment of the present invention includes a swing roll 20 and a frame 112 And three support beams 122, 124 and 126 to which the swing roll unit 110 is stepwise transported and set and the swing roll unit 110 are detachably attached to the support beams 122, A transfer mechanism for transferring the swing roll unit 110 between the three support beams 122, 124, 126, and a wear detector 150.

The frame 112 includes a base extending approximately by the length of the swing roll 20 and a shaft support extending upward from both sides of the base to rotatably support both side portions of the swing roll 20. A swing roll 20 is rotatably supported on the frame 112 to form a swing roll unit 110. The swing roll unit 110 is integrally mounted on the support beams 122, And between the support beams 122, 124, 126.

As shown in Fig. 4, the three support beams 122, 124, and 126 are fixed to a column 30 erected on both sides of the stripper plate of the louper system, and are spaced at predetermined intervals along the direction of the strip plate. to be.

The three support beams 122, 124 and 126 can be divided into a front support beam 122, a center support beam 124 and a rear support beam 126 depending on the position of the center support beam 124 Is disposed at a height such that when the swing roll unit 110 is seated, the swing roll 20 contacts the bottom surface of the strip S passing through the looper assembly and supports the strip S. [ The front support beam 122 and the rear support beam 126 are disposed at a lower height than the center support beam 124 at the front and rear of the center support beam 124, respectively, as shown in FIG. The swing roll 20 is not brought into contact with the strip S in the case of the swing roll unit 110 which is seated on the front support beam 122 and the rear support beam 126. [ Here, the rear support beam 126 serves as an input-side support beam for inputting the swing roll unit 110 in the swing-roll replacement apparatus of the looper apparatus according to the embodiment of the present invention, and the front support beam 122 serves as a wear- And serves as a drawing-out support beam for drawing out the swing roll unit 110 whose lifetime has expired.

The front, center and rear three support beams 122, 124 and 126 are connected to one another by guide rails, which will be described later, through which the swing roll unit 110 is transported between the support beams.

The fixture 130 may be an electromagnet fixed within the support beams 122, 124, 126. To this end, the frame 112 may include at least a material 113 that can be attached to the magnet at a portion corresponding to the electromagnet, or may be made of a material to which the entire frame 112 can be attached to the magnet. The magnitude of the electromagnet is set to an extent that does not interfere with the movement of the strip S passing through the looper facility on the swing roll 20 while firmly securing the frame 112 onto the support beams 122, It is good.

Although an electromagnet is used to secure the swing roll unit 110 to the support beams 122, 124 and 126 in one embodiment of the present invention, the swing roll unit 110 may be mounted on the support beams 122, 124, It is possible to use any known fixing mechanism. For example, both ends of the frame 112 may be extended further in the longitudinal direction of the frame 112 and an automatic clamp (not shown) may be used to clamp the extended end of the frame 112 to the proper position of the support beam, A hook crawl which can be rotated in the groove of the frame 112 so as to be caught by the hook of the frame 112 inside the support beam is formed by forming a groove having a hooking jaw on the bottom surface of the frame 112, A mechanism may be constituted. As a specific example, the configuration disclosed in Korean Utility Model Registration Utility No. 20-026022 may be applied. In addition, the configuration of such a fixing mechanism is considered to be easily formed by those skilled in the art, and thus is not described in detail in the description of the present invention.

The feed mechanism includes rail members 142 that connect the rear support beam 126 and the center support beam 124 and the center support beam 124 and the front support beam 122 and the front support beams 122, And a wire member 146 (147).

The rail members 142 extend from the rear support beam 126 to the front support beam 122 via the central support beam 124 as shown in Figures 3 and 5. The pair of rail members 142 may be installed between the rear support beam 126 and the center support beam 124 and a pair between the center support beam 124 and the front support beam 122 . The guide rails 143 may be provided at both side ends of the rail member 142 to respectively support both ends of the frame 112 to prevent the swing roll unit 110 from being disengaged when the swing roll unit 110 is moved .

The towing device 144 may be, for example, an electric winch, and a wire 146 extending from the towing device 144 may be attached to the frame 112 of the swing roll unit 110, And is connected to the front side. The front side of the frame 112 of the swing roll unit 110 which is seated on the rear side of the frame 112 of the swing roll unit 110 and the rear support beam 126 which are seated on the central support beam 124, (147). The wires 146, 147 are releasably connected to the frames 112.

The abrasion detector 150 is installed at a predetermined distance from the surface of the swing roll 20 of the swing roll unit 110 in front of the swing roll unit 110 mounted on the central support beam 124, Lt; RTI ID = 0.0 > and / or < / RTI > Preferably, the wear detector 150 may be a distance sensor that periodically measures the distance to the surface of the swing roll 20 using laser or ultrasonic waves.

The operation of the swing roll replacement apparatus of the looper apparatus according to an embodiment of the present invention constructed as described above will now be described.

The initial state is the same as that shown in Fig. That is, the swing roll unit 110 is not seated on the front support beam 122 so that the front support beam 122 is empty and the center support beam 124 and the rear support beam 126 are swing roll units 110 Respectively. The swing roll unit 110 on the center support beam 124 is connected to the traction device 144 via the wire 146 and the swing roll unit 110 on the rear support beam 126 is connected to the center Is connected to the swing roll unit (110) on the support beam (124).

In this state, the swing roll 20 of the swing roll unit 110 on the central support beam 124 is brought into contact with the bottom surface of the strip S so that the strip S is supported by its own weight. And the swing roll 20 of the swing roll unit 110 on the rear support beam 126 is held without being in contact with the strip S. [ The swing roll unit 110 on the rear support beam 126 is a spare.

The wear detector 150 periodically irradiates laser or ultrasonic waves to the surface of the swing roll 20 and measures the distance to the surface of the swing roll 20 with a time to be reflected. When the swing roll 20 of the swing roll unit 110 on the central support beam 124 supporting the strip S by continuous use is worn out, the abrasion detector 150, which is measured by the wear detector 150, The distance between the surfaces of the substrate 20 is gradually increased. When the distance from the surface of the swing roll 20 measured by the abrasion detector 150 is greater than a predetermined reference distance, the wear detector 150 wears off the swing roll 20 on the center support beam 124 It is determined that replacement is necessary and a replacement command is applied to the traction device 144 and the fixing mechanism 130.

Upon receipt of the replacement command from the wear detector 150, the locking mechanism 130 of the center support beam 124 and the rear support beam 126 releases the locking of the swing roll unit 110 seated thereon. For example, when the fixing mechanism 130 is an electromagnet, the electromagnet is turned off and the magnetic force is lost, so that the swing roll unit 110 is not fixed on the support beam.

The traction device 144 then begins to wind the wire 146 connected to the swing roll unit 110 on the central support beam 124. The swing roll unit 110 on the central support beam 124 is moved away from the central support beam 124 and onto the front support beam 122 along the guide rails 142 and the central support beams 124, The swing roll unit 110 on the rear support beam 126 connected to the swing roll unit 110 on the support rail 124 is also moved along the guide rail 142 onto the central support beam 124. Since the swing roll 20 is rotatable, the contact separation from the strip S of the swing roll 20 and the contact with the strip S can be carried out without difficulty.

When the swing roll unit 110 is moved from the center support beam 124 and the rear support beam 126 to the front support beam 122 and the center support beam 124 respectively, the state of the swing roll units 110 is shown in FIG. As shown in FIG. Thus, the swing roll unit 110 on the rear support beam 126 as the spare is moved onto the center support beam 124 to support the strip S newly, and the swing roll 120 having the worn roll 20 The unit 110 is moved to the front support beam 122. The fixing mechanism 130 is operated again to fix the swing roll unit 110 on the center support beam 124. [

Next, the wires 146 and 147 are separated from the front swing roll unit 110, and then the swing roll unit 110 is pulled out from the front support beam 122. The new swing roll unit 110 is inserted into the rear support beam 126 and the fixing mechanism 130 is operated so that the swing roll unit 110 put on the rear support beam 126 is moved on the rear support beam 126 Fixed. The swing roll unit 110 on the winch 144 and the center support beam 124 is rotated on the swing roll unit 110 and the rear support beam 126 on the center support beam 124 using the wires 146, The swing roll unit 110 is connected. Then, the swing roll unit 110 on the rear support beam 126 waits for a new spare part.

By repeating this process, the worn swing roll 20 can be replaced with the new swing roll 20 without stopping the looper equipment. In addition, since the swing rolls 20 can be replaced in this manner in the entire looper facility, it is not necessary to stop the operation of the cold rolling facility as in the prior art, so that the productivity of the cold rolling facility can be greatly improved.

According to the swing roll changing apparatus of the embodiment of the present invention as described above, the preliminary swinging roll 20 is disposed in advance behind the swinging roll 20 in operation, and the swinging roll 20 The swing roll 20 which is being operated by the pulling device 144 is pulled out from the position in contact with the strip S and the preliminary swing roll 20 at the rear is moved to the position where it is in contact with the strip S It is possible to replace the swing roll 20 without interrupting the operation of the looper facility and further the cold rolling facility.

In the foregoing, the present invention has been shown and described with reference to certain preferred embodiments. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventive concept as defined by the appended claims. You can do it.

S: Strip 20: Swing roll
30: Column 110: Swing roll unit
112: Frame 122, 124, 126: Support beam
130: Fixture 142: Rail member
143: guide chin 144: traction device
146, 147: Wire 150: Wear detector

Claims (7)

A swing roll replacement apparatus for replacing a swing roll of a looper facility,
A frame for rotatably housing the swing roll and forming a swing roll unit together with the swing roll;
A plurality of support beams positioned on the swing roll units, at least one of the support beams corresponding to a height for supporting a strip passing through the swing roll;
A fixing mechanism for releasably fixing the frame to the upper surface of the support beams;
A transfer mechanism for transferring the swing roll units on the support beam; And
And a wear detector for detecting the degree of abrasion of the swing roll supporting at least the strip and controlling the operation of the fixing mechanism and the feed mechanism in accordance with the detection result,
The wear detector includes a distance sensor that is fixed at a spaced apart position relative to the corresponding swing roll seated on a support beam disposed at a height that supports the strip passing through the looper assembly and measures the distance between the swing roll and the surface of the swing roll Wherein the degree of wear of the swing roll is detected on the basis of the measurement result of the distance sensor. The method according to claim 1,
The support beams having a top surface on which the swing roll unit is seated, the swing roll of the mounted swing roll unit having a central support beam disposed at a height to support the strip passing through the looper assembly, And a front support beam and a rear support beam which are disposed at the front and rear of the central support beam and spaced apart from each other at a lower height than the central support beam,
The fixing mechanism releasably secures the frame to the upper surface of the central, front and rear support beams,
The transfer mechanism transfers the swing roll unit on the central support beam onto the front support beam and the swing roll unit on the rear support beam onto the central support beam,
Wherein the abrasion detector detects a degree of abrasion of a swing roll of a swing roll unit seated on the center support beam and controls the operation of the fixing mechanism and the conveying mechanism according to the detection result. 3. The method according to claim 1 or 2,
Wherein the fixing mechanism is an electromagnet fixed to the inside of the support beams, and the frame includes a material attached to the magnet. 3. The method according to claim 1 or 2,
Wherein the fixing mechanism is a pair of automatic clamps for fixing both sides of the frame. 3. The method of claim 2,
The conveying mechanism includes:
Rail members for connecting the front support beam and the center support beam and for guiding the movement of the swing roll unit between the support beam members by connecting the center support beam and the rear support beam;
A traction device installed in front of the front support beam; And
And a wire member for detachably connecting the frame on the front support beam and the frame on the front support beam and the frame on the rear support beam. 6. The method of claim 5,
Wherein the towing device is an electric winch. delete

Images