KR20020047763A - Dust removing Eguipment on the Surface of Working Roll of the Rolling Mill - Google Patents

Abstract

PURPOSE: An alien material removal apparatus is provided which removes alien materials stuck onto surfaces of work rolls and a strip in the skin pass operation that is a final rolling process in a rolling mill. CONSTITUTION: The apparatus for removing alien materials on the surface of rolls in a rolling mill comprises a body(10) to the upper outer side of which a starmix cloth uncoiling spool(20) is rotationally coupled, at the lower outer side of which a rotating idle roll(30) is equipped, which is parallel to the idle roll(30), to which a starmix coiling roll(40) is rotationally coupled in a length direction of a strip, the side part and the inner side of which are sealed, and the outer side of which is covered with a starmix cloth coiled on the uncoiling spool(20) and the coiling roll(40) so that a sealing part is equipped at the inside of the body(10); a suction hose(50) which is coupled to the inner side of the body(10) to be connected to the sealing part, and on the pipeline of which a suction fan is formed; a pressing felt(60) which is coupled to the body(10) between the uncoiling spool(20) and the idle roll(30) so that the pressing felt(60) is moved back and forth by operation of a cylinder, which pushes the starmix cloth so that it is contacted with a rolling roll, and to the front part of which an easily replaceable contact part is connected; a sensor formed at a cylinder(61) equipped at the pressing felt(60) to transmit signals by sensing contact of a contact part; a pressing roll(70) which is fixed to the body, and the end part of which is contacted with the uncoiling spool(20) to control rapid uncoiling by pressing the starmix cloth coiled on the uncoiling spool(20); a driving part(41) connected to the coiling roll(40) to drive the coiling roll(40); a sensor(11) equipped at the end part of the body supporting the coiling roll(40) to transmit signals by sensing a distance between the strip and the sensor; a cylinder(80) a piston of which is connected to the body, and connected to a support rotationally connected to a base formed at the side part of the rolling mill; a sensor(83) equipped at the support(81) to transmit signals by sensing a distance between the sensor and a sensing bar(84) equipped at the piston; and a control panel controlling cylinders(61,80) by receiving signals of the sensors.

Description

Dust removal device on roll surface {Dust removing Eguipment on the Surface of Working Roll of the Rolling Mill}

The present invention relates to a debris removal device on the surface of the roll, and more particularly, to a debris removal device for removing debris adhered to the work roll and strip in a skin pass operation, which is a finishing process of a rolling operation.

In general, a process of manufacturing a steel sheet is produced by casting a molten steel produced in a steelmaking furnace in a casting machine to produce a slab, and then hot rolled by heating the manufactured slab to a predetermined temperature to produce a hot rolled steel sheet. Manufactured hot rolled steel sheet is cold rolled after eliminating the need for scaling, and when high cold workability is required, annealing is performed between cold working to eliminate the working stress and then rework to meet the required materials and dimensions. It is.

Of course, after the annealing operation, a pickling operation for removing the scale generated during annealing is performed.

The present invention is attached to the foreign matter attached to the strip during the cold working process of the strip in the cold rolling process to leave a scratch on the strip which is introduced into the roll as the roll rotates or foreign matter is finally the bad treatment of the strip It is to prevent.

In particular, the above-mentioned problems in rolling mills in which cold rolling mills perform finishing or final rolling, such as skin pass, adversely affect the product and cannot be corrected by re-rolling. There was a problem to be done.

Therefore, attempts have been made to alleviate the above-mentioned problems and reduce defects. The conventionally used method is to check the state of the roll at any time during or before or after the worker's work to visually check whether the foreign matter adheres to the roll and attach the foreign matter. In this case, a method of removing foreign matter attached to the roll by using a send paper is mainly used.

However, in the conventional method described above, it is very difficult to visually check whether foreign matter adheres to the roll that rotates at high speed because most of the foreign matter is attached during the operation. There is a risk of safety accident when the worker removes the foreign matter with the send paper by hand. Even if the foreign matter attached to the roll is removed after stopping the rolling mill, the foreign matter attached to the roll until the rolling mill is stopped. Due to the defect of the strip caused by the poor quality of the product or the increase of the bad roll, there was a problem that the work efficiency due to the rolling mill stops working.

Therefore, the technical problem to be achieved by the present invention is to remove the foreign matter on the strip primarily before the foreign matter is attached to the work roll and to remove the foreign matter even if the foreign matter is attached to the roll so as to solve the above problems is attached to the roll The present invention provides a debris removal device having a shape that can prevent a defect of the strip due to debris and prevent a safety accident during manual operation by using a device that is not manual.

1 is a schematic view of a rolling mill equipped with the present invention

Figure 2 is a detailed perspective view of the foreign material removing apparatus provided with the present invention

Figure 3 is a cross-sectional view of the foreign material removal device provided with the present invention

Figure 4 is a perspective view showing a coupling state of the push felt of the present invention

Figure 5 is a perspective view showing a coupling state of the contact portion of the push felt of the present invention

[Description of Major Code in Drawing]

10 ... Main Unit 11 ... Sensor

12 ... seals 13 ... support plates

20 ... loosening 30 ... idle roll

40 ... winding roll 41 ... driving motor

42 ... Reducer 50 ... Suction Lake

51 ... Suction 휀 60 ... Push felt

61 ... cylinder 62 ... contacts

63 ... Volt 64 ... Sensor

70 ... push-roll 71 ... first support

72 ... second support 73 ... hinge

74 ... elastomer 80 ... cylinder

81 ... Support 82 ... Base

83 ... sensor 84 ... detection bar

100 ... Stamixpo ... 110 ... Rolling Roll

120 ... strip 130 ... payoff reel

140 ... tension reel

In order to achieve the above technical problem, the strip is placed on the top of the strip which is loaded into the rolling roll, and at the same time, a Starmix spor in contact with the surface of the rolling roll is installed, and a suction lake is connected to the rear surface of the starmix spor. This can be achieved by suction removal of foreign matter on the upper side, and the configuration of the upper side is combined with the rotating star mix spun rim splice, the lower side is provided with a rotating idle roll, and parallel to the idle roll, the stamic spoiled winding roll is rotated The main body and the side and the inner side are sealed and the outer side is the staple spun between the unwinding splice and the winding roll,

A suction lake coupled to the main body inner sealing part and having a suction fan;

It is coupled to the main body between the rim and the idle roll to move forward and backward in accordance with the operation of the cylinder, the end of the push felt with a replaceable contact and contacting the star mix spo

A sensor provided in the cylinder provided in the push felt to sense a contact of a contact and transmit a signal;

The press roll is fixed to the main body and the end of the pressing roll to contact the release splice to press the star mix spun wound on the release splice by the tension of the spring,

A driving unit coupled to the winding roll to drive the winding roll;

A sensor provided at a main end of the main body for supporting the roll to detect a distance from the strip and transmitting a signal;

A cylinder fixed to a support coupled to the body and pivotally coupled to a base formed on the side of the rolling mill,

A sensor provided in the support for detecting and transmitting a rising interval of the piston;

Receiving the signals of the sensors to control the cylinder to maintain the gap between the main body and the strip, the press felt is composed of a control panel for maintaining the contact between the rolling roll and the control unit of the winding roll.

Hereinafter, described in detail with reference to the embodiment as follows.

In the upper side, the star rim spun 100 is wound around the unwinding splice 20 is rotated and coupled to the lower side is provided with the idle roll 30 is rotated, the strip length direction parallel to the idle roll 30 in the star mix Winding roll 40 is wound around the roll is coupled to the rotation and the side and the inner side is sealed with a support plate 13, the outer side of the star mix spo (100) wound on the unwinding spun 20 is wrapped around the idle roll 30 The main body 10 is coupled to the winding roll 40 and seals the outside and forms a closed space therein,

It is coupled to the main body inner sealing portion 12 in communication with the suction 휀

Suction lake (50) provided with (51),

The rear end is coupled to the cylinder 61 fixed to the main body through the main body 10 between the unwinding splice 20 and the idle roll 30 and is moved forward and backward by the operation of the cylinder.

The contact portion 62 which is in contact with the (100) and the push felt 60 is detachably bolted 63,

The sensor 64 is provided in the cylinder 61 provided in the pressing felt 60 and detects that the contact portion 62 is in contact with the rolling roll 110 and transmits a signal;

The first support 71 fixed to the main body is pivotally coupled to the end of the second support 72 which is pivotally coupled to the hinge 73 is pressed to contact the star mix spo 100 wound around the loosening splice 20 Roll 70,

An elastic body 74 elastically coupled between the first support 71 and the second support 72 to press the pressing roll 70 to the unwinding splice 20 wound with a star mix spor by its restoring force,

A driving motor 41 coupled to the winding roll 40 via a transmission 42 to drive the winding roll 40;

A sensor 11 provided at an end of the main body 10 supporting the winding roll 40 to sense a distance to the lower strip 120 and to transmit a signal;

A cylinder 80 coupled to the inner side of the main body and fixed to a cylinder support 81 pivotally coupled to the base 82 formed on the side of the rolling mill;

A sensor 83 provided below the cylinder support 81 to detect a position of the detection bar 84 formed on one side of the piston and transmitting a signal;

Receiving the signals of the sensors 11, 64, 83 to control the cylinder (61, 80) to maintain the gap between the main body 10 and the strip and the contact between the pressing felt 60 and the rolling roll 110 It is composed of a control panel (90) for maintaining the winding roll 40 and winding the star mixo 100 and to control the suction fan (51).

The following describes the operation.

When rolling the strip using a rolling mill equipped with a foreign material removal apparatus equipped with the present invention,

As shown in FIG. 1, the tip of the strip 120 of the payoff reel 130 is wound around the tension reel 140 to start rolling, and at the same time, a cylinder coupled to the main body 10 by operating a control panel (not shown). Lower 80). The lowering of the cylinder 80 transmits a signal to a control panel (not shown) when the sensor 83 provided at one side of the main body 10 detects a distance from the lower strip 120 to operate the cylinder 80. At the same time, the cylinder 61 provided in the pressing felt 60 is operated to move the contact portion 62 to be in contact with the rolling roll 110. Due to the movement of the contact portion 62, the contact portion is wound around the unwinding splice 20 and between the unwinding splice of the star mix spo 100 and the idle roll 30 being wound around the unwinding roll 40 by winding the idle roll 30. Stamic spor is in contact with the surface of the rolling roll to wipe the foreign matter on the surface of the rolling roll and the sensor 64 provided in the cylinder 61 detects the contact of the contact portion 62 and the rolling roll 110 to the cylinder The operation of the 61 is stopped.

In addition, the star mix spork connecting the idle roll 30 and the winding roll 40 maintains a predetermined distance from the strip 120 at the lower side, and the outer side is surrounded by the star mix spo, and the side and the inner side are kept closed. The sealed interior communicates with the suction lake 50 to suction and remove foreign substances on the strip by the operation of the suction chuck 51.

When the adhesion of foreign matter to the surface of the star mix sporon increases with the operation of the foreign material removal device, the motor 41 of the winding roll 40 is operated using a control panel (not shown), and the winding roll is operated by the operation of the motor 41. 40 is rotated so that the star mix spoil is wound on the winding roll 40 and the new star mix spoil is released from the loosening splice 20 so that the new star mix spo is in contact with the rolling roll 110 and positioned on the upper surface of the strip.

In addition, the press roll 70 which prevents the loosening splice 20 from being unwound excessively by the winding of the winding roll 40 is pressed to maintain the proper tension of the star mix spoil by pressing the star mix spo 100 wound on the loose splice. do.

In addition, the first support 71 and the second support 72 are coupled to the hinge 73 to couple the pressing roll 70 and the main body 10 to the upper side when replacing the star mix spoof 100 on the loosening split It is rotated to secure a working space.

When the above-described action is completed and rolling is completed, the cylinder (80) is fixed to the cylinder (support 81) so as to sense the sensing bar 84 provided in the piston when the cylinder 80 is retracted for the backward of the main body 10. ) Detects the proper distance and transmits a signal to the controller (not shown), thereby preventing collision with the cylinder 80 due to excessive backward movement of the main body 10 and stopping the cylinder 80.

Therefore, by using the foreign matter removal apparatus provided with the present invention, it is possible to simultaneously remove foreign substances attached on the rolling roll by foreign substances on the strip as well as foreign substances on the strip before rolling.

The effect of the present invention is to remove the foreign matter on the strip first before the foreign matter is attached to the rolling roll through the strip, even if the foreign matter is attached to the roll to remove the foreign matter quickly by polishing the roll with a star mix spores to be attached on the roll In addition to preventing defects of the strip due to foreign substances, it is effective to prevent safety accidents during manual operation by using a device rather than manual operation.

Claims (1)

The upper outer side is coupled to the star mixer spun rim spun 20 is rotated, the lower outer side is provided with an idle roll 30, parallel to the idle roll 30, the strip 120 in the longitudinal direction The laver roll 40 is pivotally coupled, and the side and the inner side are closed, and the outer side is enclosed with a star mix spo 100 wrapped around the unwinding splice 20 and the winding roll 40. With the body 10, A suction lake 50 which is coupled to the inside of the main body and communicates with the sealing part 12 and provided with a suction fan 51 on the conduit; It is coupled to the main body 10 between the unwinding splice 20 and the idle roll 30, and moves forward and backward in accordance with the operation of the cylinder 61 and pushes the star mix spo 100 to contact the rolling roll 110. Pressing felt 60 is coupled to the front end and easy to replace the contact portion 62, A sensor (64) provided in the cylinder (61) provided in the pressing felt to detect a contact of the contact portion (62) and to transmit a signal; A press roll 70 fixed to the main body and controlling the rapid loosening by pressing the star mix spo 100 wound on the loosening splice 20 at the end thereof in contact with the loosening splice 20; A driving part 41 coupled to the winding roll 40 to drive the winding roll 40; A sensor 11 provided at an end of the main body supporting the winding roll 40 to detect a distance from the strip 120 and to transmit a signal; A cylinder 80 coupled to the main body 10 and coupled to a support 81 pivotally coupled to the base 82 formed on the rolling mill side; A sensor (83) provided at the support (81) for detecting a distance from the sensing bar (84) provided at the piston and transmitting a signal; Receiving the signal of the sensor (11) (64) (83) and the foreign material removal apparatus of the roll surface, characterized in that consisting of a control panel (not shown) for controlling the cylinder (61) (800).