KR100954187B1 - Device for holding strip in looping system - Google Patents

Abstract

SUMMARY OF THE INVENTION An object of the present invention is to provide a strip holding device of a roof device that can smoothly recover strip breaking by preventing the drop of the strip by immediately grasping the strip flowing down by its own weight when the strip is broken in the roof device. .

The present invention is a vertically installed sliding base, a lower fixed carriage fixed to the lower portion of the sliding base, a plurality of lower rolls arranged at regular intervals along the fixed carriage, moving up and down along the sliding base Carriage, a plurality of upper rolls arranged at a predetermined distance to the moving carriage, installed on a vertical bracket vertically installed under the moving carriage, located inside the strip, and receiving power when a strip breaking signal is generated, the magnetism of the N pole or S pole A protruding clamping roll, a support member rotatably installed on the vertical bracket and extending out of the strip, and installed at the tip of the support member and positioned outside the strip and exhibiting a magnetic opposite to the clamping roll when the strip is broken. A grip roll for lowering and bringing the strip into close contact with the clamping roll; It provides a strip holding device of the roof equipment.

Clamping Roll, Gripping Roll, Rotating Shaft, Return Cylinder

Description

Device for holding strips in loop equipment

1 is a schematic view showing a roof equipment with a strip holding apparatus according to the present invention,

2 is a perspective view showing a strip holding apparatus according to the present invention;

Figure 3 is an exploded perspective view showing the configuration of the strip holding apparatus according to the present invention,

4 and 5 is a side cross-sectional view showing an operating state of the strip holding apparatus according to the present invention,

Figure 6 is a schematic diagram showing a roof equipment according to the prior art.

Explanation of symbols on the main parts of the drawings

10: vertical bracket 11: clamping roll

12 support member 13 gripping roll

20,24: bearing block 21,25: electrode brush

22,26: spring 23,27: electrode

30: connection plate 31: connection spring

32: connection terminal 40: guide rail

41: rack bar 42: pinion gear

43: return cylinder 45: rotating shaft

The present invention relates to a roof equipment used for continuous operation in a continuous annealing process of heat treatment of the strip in the cold rolling process, more particularly, when the strip is broken at the top of the roof equipment to hold the strip immediately falling down It relates to a strip holding device of the roof equipment to be prevented.

In general, the strip production line, for example, in order to give a certain material to the strip in the production line of cold-rolled products, the annealing line is equipped with loop equipment at the entry and exit side for continuous operation, and the strip is preliminarily stored. The roofing amount of is working from 600 meters to as much as 1000 meters.

The roof equipment is arranged in the lower fixed carriage 100, as shown in Figure 6 a plurality of lower rolls 110, the lower portion in the mobile carriage 130 is moved up and down along the sliding base 120 of the roof equipment. By installing a plurality of upper rolls 140 in the same direction as the roll 110, the structure is to advance the strip over the upper roll and the lower roll.

However, in the process of performing continuous work in the continuous annealing line, the strip fracture may occur due to the meander generation of the welder and the strip looper in which the preceding coil and the trailing coil are connected, and as shown in FIG. The line is stopped by the looper tension sensor as tension of the strip in progress of the upper roll is lost, but the broken strip falls from the upper roll driven in the idle state in both directions to the bottom of the looper, that is, the fixed carriage. Is generated.

Also, in case of severe fracture, a large equipment accident occurs because the entire strip wound on all upper rolls installed in the mobile carriage continuously falls to the lower fixed carriage, and the worker removes the stacked strips by hand. There is a potential for safety accidents, the recovery time is long, and due to the characteristics of the continuous line, a large number of defects are generated in the strip in the furnace when the line is stopped for a long time, and many hours (usually 1 ~ 2 days) are required to produce a normal product after recovery. There were several problems such as the need.

Accordingly, the present invention has been made in order to solve the above problems, it is possible to prevent the fall of the strip to prevent the fall of the strip smoothly by catching the strip flowing down by the weight at the time of breaking the strip in the roof equipment to smooth the break It is an object of the present invention to provide a strip holding device of the roof equipment.

In order to achieve the object as described above, the present invention includes an electromagnet portion which is installed in the mobile carriage to which the upper roll is installed and located on the inside and the outside of the strip, and close to each other while holding the strip between the strips when the strip is broken. .

The present invention also includes a return means for releasing the strip gripping state.

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

1 is a schematic view showing a roof equipment with a strip holding apparatus according to the present invention, Figure 2 is a perspective view showing a strip holding apparatus according to the present invention, Figure 3 is a configuration of a strip holding apparatus according to the present invention It is an exploded perspective view showing the.

According to the above drawings, the roof equipment has a sliding base 120 that is vertically installed, a lower fixed carriage 100 fixedly installed below the sliding base 120, and a predetermined interval along the fixed carriage 100. A plurality of lower rolls 110 arranged to be arranged, a moving carriage 130 which is moved up and down along the sliding base 120, and a plurality of upper rolls 140 arranged to be arranged at predetermined intervals on the moving carriage 130. Include.

Therefore, the strip is zigzag and passed through the lower roll 110 and the upper roll 140.

In the present invention, the strip 200 loop structure of the above-described structure, which is installed in the mobile carriage and located on the inside and the outside of the strip 200 are in close contact with each other with the strip 200 therebetween when the strip 200 is broken. An electromagnet portion for holding the strip 200, and return means for releasing the holding state of the strip 200.

The device consisting of the electromagnet portion and the return means are all installed under each upper roll 140, and each structure is the same, so the following description will be made based on the apparatus installed on one upper roll.

The electromagnet portion is installed in a vertical bracket 10 installed vertically under the moving carriage and is located inside the strip 200 and is supplied with power when the breaking signal of the strip 200 is applied to the clamping roll 11 having magnetic pole of N pole and the vertical. A support member 12 rotatably installed on the bracket 10 and extending outward of the strip 200, and installed at the tip of the support member 12, positioned outside the strip 200, and broken when the strip 200 is broken. Gripping roll 13 for lowering the magnetic force of the pole and lowering by the magnetic weight to adhere the strip 200 to the clamping roll 11, the gripping roll 13 so as to show the magnetism of the S pole during the rotation of the gripping roll 13 It includes a power connection means for applying power to the).

In this case, since the strip 200 is laid down on both sides of the upper roll 140, the clamping roll 11 and the grip roll 13 having the same structure are positioned on both sides of the vertical bracket 10.

Therefore, when the strip 200 is broken, the tension hanging on the strip 200 is released, and the support member 12 on which the gripping roll 13 is supported is rotated by the weight of the gripping roll 13 in a horizontal state to hold the gripping roll ( 13 is in close contact with the strip 200 to the clamping roll 11 inside the strip 200 and at the same time the clamping roll 11 and the gripping roll 13 is provided with magnetism of the north pole and the south pole, respectively. Will definitely clamp the (200).

According to this embodiment, the clamping roll 11 preferably forms a concave curved portion inwardly in contact with the gripping roll 13. As a result, the grip roll 13 is engaged with the curved portion of the clamping roll 11, thereby enabling the clamping of the strip 200 more securely.

In order to apply power to the clamping roll (11), the rotating shaft of the clamping roll (11) is connected to the lower portion of the vertical bracket (10) via a bearing block (20), and a disk-shaped electrode brush (21) is installed on the rotating shaft. The electrode 23 is installed on the vertical bracket 10 via a spring 22 and connected to the electrode brush 21. In addition, the electrode 23 is connected to an electric wire extending along the vertical bracket 10 to receive power.

The structure is also applied to the gripping roll 13, the holding roll 13 is installed on the end of the support member 12 via the bearing block 24 and the rotating shaft protruding out of the bearing block 24 The disk-shaped electrode brush 25 is provided, the electrode 27 is provided on the support member 12 via a spring 26 connected to the electrode brush 25.

In addition, the power connection means is for applying power to the holding gripping roll 13, the connection plate 30 is installed on the support member 12 and electrically connected to the electrode 27, and the vertical A connection spring 31 horizontally installed on one side of the bracket 10 in the direction of the strip 200 and electrically connected to an electric wire extended to the vertical bracket 10, and installed at an end of the connection spring 31 to support the support member. (12) includes a connecting terminal 32 in contact with the connecting plate 30 when descending.

Therefore, when the support member 12 descends, the connection terminal 32 is in contact with the connection plate 30 so that power is applied to the gripping roll 13 to electromagnetize it.

On the other hand, the return means for returning the support member 12 rotated down from the horizontal state to the horizontal state again, the guide rail 40 is installed in the horizontal direction on the vertical bracket 10 and the guide The pinion is horizontally moved along the rail 40 and is installed on a rack bar 41 having a rack formed at a top and a bottom thereof, respectively, on a pivot shaft 45 of one side support member 12 and engaged with an upper rack of the rack bar 41. Pinion gear 42, which is installed on the rotation shaft 45 of the gear 42, the other support member 12 and engaged with the lower rack of the rack bar 41, the piston is installed on one side of the guide rail 40 The front end includes a return cylinder 43 in contact with the end of the rack bar 41.

Therefore, when the support member 12 is lowered and the pivot shaft 45 is rotated, the pinion gear 42 also rotates to move the rack bar 41, and the piston rod is pushed back so that the return cylinder 43 is contracted to operate. When the extension operation 43) is reversed, the piston rod pushes the rack bar 41 in the opposite direction to rotate the support member 12 installed through the pinion in a horizontal state.

Here, the roller 44 is installed at the tip of the piston rod of the return cylinder 43 to prevent friction with the rack bar 41.

Hereinafter, the operation of the present invention will be described with reference to FIGS. 4 and 5.

When the rack bar 41 installed on the guide rail 40 is moved to the left side in FIG. 4 by extending the return cylinder 43, the pinion gear 42 engaged with the racks at the top and bottom of the rack bar 41 is engaged. The support member is located on the right side of the vertical bracket 10 in the drawing installed on the rotation shaft 45 by rotating the rotation shaft 45, the pinion gear 42 is installed is rotated in accordance with the movement of the rack bar 41 ( 12 is rotated counterclockwise and the support member 12 located on the left side of the vertical bracket 10 is rotated clockwise to form a horizontal.

When the rotation is completed, the strip 200 is plated to the upper roll 140, and if the normal tension is formed on the strip 200 while the plate is completed, the return cylinder 43 is reversed to keep the rack bar 41 in a sliding state. Let's do it. At this time, each of the clamping roll 11 and the gripping roll 13 is in a normal idle driving state with no power supplied.

On the other hand, in the normal continuous annealing operation, when the strip 200 is deteriorated due to breakage of the strip 200 and a loop is formed, the loop is detected by the loop sensor and the line is stopped and power is supplied from the power box (not shown) at the same time. First, the clamping roll 11 has a magnetic pole of the N pole.

That is, the applied power is supplied to the clamping roll 11 through the disk-shaped electrode brush 21 to which the supplied power is supplied to the electrode 23 through a wire extending to the vertical bracket 10 and to which the electrode 23 is connected. The clamping roll 11 is made of an electromagnet having the polarity of the N pole.

At the same time, the grip roll 13 in a state where the strip 200 is brought into close contact with both strips 200 due to a decrease in tension of the strip 200 is formed around the rotational shaft 45 by the weight of the grip roll 13 itself. Rotating movement toward the center is performed like the loop amount of).

At this time, the pinion gear 42 installed on the rotation shaft 45 is rotated like the rotation shaft 45 and the rack bar 41 engaged with the upper and lower racks by the pinion gear 42 is coupled along the guide rail 40. It moves to the right side of the drawing.

In addition, the support member 12 that is rotated and dropped receives the power while the connecting plate 30 provided on one side of the connecting plate 32 of the connecting spring 31 installed on the vertical bracket 10 receives the power. ) Magnetized.

That is, when the supporting member 12 is rotated so that the connecting plate 30 comes into contact with the connecting terminal 32, the power is applied to the terminal 27 through the connecting terminal 32 and the connecting plate 30. 27 is applied to the gripping roll 13 through the electrode brush 25 in contact with the roll to make the gripping roll 13 into an electromagnet having a polarity of the S pole.

The gripping roll 13 continues to push and rotate the strip 200 in a state in which the polarity of the S pole is reversed, and finally the strip 200 is clamped to the clamping roll 11 positioned within the rotation radius of the gripping roll 13. It will stick to it.

Accordingly, the strip 200 is held between the clamping roll 11 and the gripping roll 13 that are strongly in contact with each other in a different polarity state so as not to flow down.

The device of the part where the strip 200 is not broken among the entire devices holding the strip 200 in this manner cuts the power supply and operates the return cylinder 43 to support the grip member 13 installed. (12) is rotated to release the holding state of the strip 200, and while removing the loop of the strip 200 before and after break, while moving the moving carriage down to remove the broken strip 200.

According to the strip holding device of the roof equipment according to the present invention as described above, by holding a strip that is broken at the time of breaking the strip in the roof equipment using a magnetic roll, to prevent the falling of the strip stored in the roof equipment And smooth flare recovery is possible.

In addition, there is a very good effect to prevent the risk of safety accidents that occurred during the break recovery, and to achieve the early failure prevention and normal operation of the stagnant coil in the furnace due to rapid failure recovery.

Claims (3)

A sliding base installed vertically, a lower fixed carriage fixed to the lower portion of the sliding base, a plurality of lower rolls arranged at regular intervals along the fixed carriage, a moving carriage which is moved up and down along the sliding base, and moving A plurality of upper rolls arranged at a predetermined interval on the carriage and a vertical bracket installed vertically under the moving carriage, located inside the strip, and receiving power when a strip breaking signal is generated, And a support member rotatably installed on the vertical bracket and extending out of the strip, and installed at the tip of the support member, positioned outside the strip, having a magnet opposite to the clamping roll when the strip breaks, and descending by the weight of the strip. Roof equipment including a gripping roll for close contact with the clamping roll Strip fixture. According to claim 1, The connecting plate is installed on the support member and electrically connected to the gripping roll, The connecting spring electrically connected to a wire horizontally installed in a strip direction on one side of the vertical bracket and extending to the vertical bracket, And a connection terminal provided at the end of the connection spring and contacting the connection plate when the support member is lowered, further comprising a power connection means for supplying power to the gripping roll when the gripping roll is rotated. Strip holding device. According to claim 1 or 2, wherein the guide rail is installed in the horizontal direction on the vertical bracket, the horizontally moved along the guide rail rack bar having a rack at the top and bottom, respectively, is installed on the pivot shaft of one side support member And a pinion gear coupled to the upper rack of the rack bar and coupled to the top shaft of the other support member, the pinion gear coupled to the lower rack of the rack bar and coupled to the lower rack of the rack bar, installed on one side of the guide rail, and the piston rod end is in contact with the rack bar end. And a return means for returning the support member rotated down from the horizontal state back to the horizontal state, including a return cylinder.

Images