KR20010001804U - Backup roll dust removal device of skin pass mill - Google Patents

Abstract

The present invention automatically and timely removes foreign substances adhering during the rotation of the backup roll to prevent surface damage of the backup roll, as well as the risk of safety accidents, and the speed of removing foreign substances is controlled according to the feeding speed of the strip. The present invention relates to a device for removing foreign matter on a backup roll of a skin pass rolling mill,

The present invention is driven by the surface contact with the rotating back-up roll during the skin pass rolling operation, the drive roller which can adjust the drive speed according to the work speed;

A foreign material removal member for rotating the power receiving the power of the driving roller in a direction perpendicular to the driving direction to remove the foreign matter attached to the backup roll;

An operation cylinder and a cylinder rod for contacting or separating the drive roller from the backup roll;

It includes a foreign matter suction member for sucking the foreign matter dropped by the foreign matter removing member.

Description

BACKUP ROLL DUST REMOVAL DEVICE OF SKIN PASS MILL}

The present invention relates to an apparatus for removing foreign matters from a backup roll of a skin pass rolling mill, and more particularly, to an apparatus for removing foreign matters from a backup roll of a skin pass mill, which can automatically and timely and quickly remove foreign substances attached during rotation of a backup roll. will be.

In general, finished products and cold-rolled semi-finished products produced by annealing and pickling using hot coils are made of skin pass rolling by shape correction by about 1% drawing and roll balancer for shape improvement. .

The skin pass rolling operation is performed by supplying a strip between a work roll and a work roll after annealing and pickling. The work roll is supported by a backup roll.

When the foreign matter is transferred to the work roll and the backup roll during the rolling operation, or the foreign matter contaminated by the foreign matter transferred to the work roll and the dust in the air is printed on the surface of the strip, a fatal surface defect occurs in the product. do.

The foreign matter on the back up roll contaminates the work roll, and the foreign matter transferred to the work roll is printed on the surface of the strip in contact with the work roll. The debris was removed by hand or polisher.

However, in order to remove the foreign matter on the backup roll as in the prior art, a worker approaches the backup roll which is driven daily, or contacts the driving backup roll using a polisher device, so a lot of time is required to remove the foreign matter. This takes, there is a risk of a safety accident during work and there was a problem such as damage to the surface of the backup roll in operation.

Therefore, the present invention is designed to solve the above problems, the object of the present invention is to quickly and quickly remove the foreign matter attached during the rotation of the backup roll in a timely manner to prevent surface damage of the backup roll as well as the risk of safety accident It is to provide a back-roll debris removal device of the skin pass rolling machine to remove the, and to control the debris removal operation speed according to the feeding speed of the strip.

1 is a perspective view showing a foreign matter removal device for the backup roll of the skin pass rolling mill according to the present invention.

Figure 2 is a plan view showing a back-up roll debris removal device of the skin pass rolling mill according to the present invention.

Figure 3 is a side view showing a back-up roll debris removal device of the skin pass rolling mill according to the present invention.

Explanation of symbols on the main parts of the drawings

1: working roll, 3: backup roll, 5: body, 7: drive shaft,

9: drive roller, 11: face gear, 13: rotary shaft,

15: debris removal member, 17: base, 19: working cylinder,

21: cylinder rod, 23: foreign matter suction member, 25: support member,

27: support stand, 29: fixing member, 31: foreign material suction path,

33: foreign material suction pipe, 35: foreign material dust collector, 37: foreign material removal cover,

39: fixed band, 41: uneven portion, 47: drive motor, 49: gear shaft,

53: tie rod

In order to achieve the above object, the present invention, the driving roller is driven by the surface contact with the rotating back-up roll during the skin pass rolling operation, and the drive roller that can adjust the driving speed according to the working speed;

A foreign material removal member for rotating the power receiving the power of the driving roller in a direction perpendicular to the driving direction to remove the foreign matter attached to the backup roll;

An operation cylinder and a cylinder rod for contacting or separating the drive roller from the backup roll;

It includes a foreign matter suction member for sucking the foreign matter dropped by the foreign matter removing member.

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

1 is a perspective view showing a back-up roll debris removal device of the skin pass rolling mill according to the present invention, Figure 2 is a plan view showing a back-up roll debris removal device of the skin pass rolling mill according to the present invention, Figure 3 The side view of the back-roll removal device of the skin pass rolling machine according to the related art.

The apparatus of the present invention is for removing foreign matter adhering to the backup roll (3) running together with the work roll (1) during skin pass rolling to improve the surface shape of the rolling coil in the strip (S) state.

Such a device is integrally coupled with the drive shaft 7 rotatably installed on the body 5, and driven by the surface contact with the backing roll 3 being rotated according to the working speed during the skin pass rolling operation, as well as the working speed. It includes a drive roller 9 that can adjust the drive speed according to.

Both ends of the drive shaft (7) is received by the power of the drive shaft in a direction perpendicular to the drive gear 11 and the rotary shaft 13 in the foreign material removal member for removing the foreign matter attached to the rotation roll (3) ( 15) is provided.

In the above, the power of the drive shaft is transmitted by the face gear, but is not limited thereto, as long as the bevel gear can transmit the power of the drive shaft in a direction perpendicular to the rotation shaft.

In addition, the body 5 is fixed to the base 17, and the body 5 is moved forward or backward along the base 17 to contact or separate the drive roller 9 and the backup roll (3) Working cylinder 19 and cylinder rod 21 are coupled.

The body 5 is provided with a foreign matter suction member 23 for sucking the foreign matter dropped by the foreign matter removing member 15 in contact with the backup roll.

The body 5 is coupled to the support member 25 for installing the foreign matter removing member 15, the base 17 is provided with a support base 27 for integrally supporting the body (5) The receiving stand 27 is provided with a fixing member 29 for fixing the foreign matter suction member 23.

The foreign substance suction member 23 is connected to the foreign substance suction path 31 and the foreign matter dust collector 35 for collecting the foreign substances sucked by the foreign substance suction member 23 through the foreign substance suction tube 33.

The foreign matter suction passage 31 has elasticity and flexibility to allow the foreign substance suction member 23 to move together with the body 5, and the foreign substance suction tube 33 is integrally supported by the body 5.

The debris removing member 15 has a debris removing cover 37 such as a nonwoven fabric so as to remove debris on the backing roll 3 while preventing the surface damage of the backing roll when contacting the backing roll 3. It is detachably coupled to the debris removal cover 37, the fixing band 39 for binding so as not to be separated from the debris removal member 15 during rotation of the debris removal member 15, and also easy to replace when contamination. ) Is provided.

In addition, the drive roller 9 is preferably installed slightly forward than the foreign matter removing member 15 so that the foreign matter removing member 15 does not contact the surface of the backup roll 3 first.

The surface of the driving roller 9 is a concave-convex portion of a material having elasticity such as rubber so as to be easily driven by the rotation of the backup roll while preventing the damage of the backup roll when contacting the backup roll (3) ( 41) is formed.

The load of the drive roller 9 is distributed and supported by the body 5, the support member 25 and the fixing member 29, the cylinder rod 21 is the body 5 and the fixed shaft 43 It is fixed by, the operation cylinder 19 is fixed by the base 17 and the fastening bolt 45.

In addition, the base 17 includes a gear shaft 49 that is rotated by the driving of the driving motor 47 to move the driving roller 9 in the left and right directions of the base 17. It is coupled to both sides of the movement so as to be supported by the bearing member (51).

In addition, the base 17 has a tie rod 53 for supporting the base 17 at a constant distance from the gear shaft 49 and preventing shock and flow generated during the driving of the drive motor 47. Is installed.

Accordingly, the foreign matter removal device of the backup roll of the skin pass rolling mill first checks the position of the foreign matter on the surface of the backup roll 3 and then operates the control unit (not shown) to drive the driving motor 47. ) Is rotated and the base 17 is supported by the tie rod 53 to move the driving roller 9 in the left or right direction of the base 17.

By moving the driving roller 9 to the left and right, the foreign matter removing member 15 is moved in the same line as the working position where the foreign matter is attached to the surface of the backup roll 3, and the foreign matter dust collector 35 is moved. In addition to operating the operating cylinder 19 to move the cylinder rod 21 by a predetermined length to advance the driving roller 9 together with the body (5).

As the drive roller 9 moves forward, the drive roller 9 is gradually brought into contact with the backup roll 3, and when the drive roller 9 is completely brought into contact with the backup roll 3, the drive roller 9 is rotated by the rotation of the backup roll 3. The foreign matter removing member 15 is rotated in a direction perpendicular to the rotational direction of the drive roller 9 by the drive shaft 7, the face gear 11, and the rotation shaft 13.

At this time, the debris removal member is a rotational speed is adjusted according to the working speed of the work roll (1), the debris removal cover 37 that rotates with the debris removal member 9 is in contact with the surface of the backup roll (3) While cleaning the surface of the backup roll (3) while leaving the foreign matter adhering to a portion of the surface of the backup roll (3), foreign matter that is separated from the backup roll (3) is dropped foreign matter suction member (23) After being sucked into the foreign matter is collected into the foreign matter precipitator 35 through the foreign matter suction path 31 and the foreign matter suction pipe 33.

When the foreign material located on the surface portion of the back-up roll 3 is removed as described above, the actuating cylinder 19 is operated to reverse the driving roller 9 and the driving motor 47 to drive the driving roller 9. After moving the position to another part attached to the foreign matter on the surface of the backup roll (3) is to remove the foreign matter continuously in the same manner as described above.

Then, when the foreign matter removal operation is completed, the foreign matter precipitator 35 is stopped, and the operation roller 19 is operated to reverse the driving roller 9 to its original position.

As such, the present invention can automatically and timely and quickly remove the foreign matter adhering to the rotating backup roll during skin pass rolling, so that not only the surface of the backup roll can be kept clean at all times but also on the strip. It prevents the falling of foreign substances and prevents fatal contamination of the secondary product. It also prevents the surface damage of the backup roll, eliminates the risk of safety accidents, and adjusts the speed of removing foreign substances according to the working speed. It is.

Claims (3)

A driving roller which is driven by the surface of the back-up roll in rotation during skin pass rolling and which can adjust the driving speed according to the working speed; A foreign material removal member for rotating the power receiving the power of the driving roller in a direction perpendicular to the driving direction to remove the foreign matter attached to the backup roll; An operation cylinder and a cylinder rod for contacting or separating the drive roller from the backup roll; Back-up roll foreign matter removal device of the skin pass rolling mill including a foreign matter suction member for sucking the foreign matter dropped by the foreign matter removal member. The drive shaft of claim 1, further comprising: a gear shaft coupled to the base so as to move the driving roller in a left and right direction of the base and being rotated by the driving of the driving motor; The apparatus of claim 1, further comprising a tie rod for preventing shock and flow generated during driving of the drive motor at a predetermined distance from the gear shaft. The skin of claim 1 or 2, wherein the surface of the driving roller is provided with an uneven portion having an elasticity so as to be easily driven by the rotation of the backup roll while preventing the damage of the backup roll when contacting the backup roll. Back-up roll debris removal device of pass rolling mill.