KR20030039582A - An apparatus for washing rolls - Google Patents

Abstract

PURPOSE: A roll washing apparatus is provided to improve washing property by washing the roll using nozzles moved in a length direction of the roll as the nozzles are vertically being shaken on the surface of roll such as rolling roll of skin pass mill installed in a strip plating line. CONSTITUTION: The roll washing apparatus with superior washing property comprises a base part(10) comprising a base plate(14) installed on a frame(12) installed at one side of roll for rolling a strip in such a way that the base plate(14) is moved back and forth so that the base plate(14) is movable in a width direction of the roll; a body part(30) comprising a moving body(32) installed on the upper part of the base plate(14) so that the moving body(32) is moved side to side, and an angle plate(34) connected to the rear side of the moving body(32) by a pin so that the angle plate(34) is movable in a length direction of the roll; a shaking part(50) comprising an eccentricity cam inserted into and supported to a resting groove(32b) at the inner side of a guiding groove formed on the bottom of the moving body(32) so that the moving body(32) is vertically shaken during driving of the cam; and a nozzle part(70) comprising first and second nozzles(80,90) which are pipe connected to a washing water supplying cable carrier(72) mounted on the angle plate(34) with the washing water supplying cable carrier(72) being mounted on the shaking moving body(32), and which are arranged in the inner side of a catchment case(74) connected to the front side of the moving body(32) so that the first and second nozzles(80,90) wash the surface of the roll as they are being shaken.

Description

Roll cleaning device with excellent cleaning ability {AN APPARATUS FOR WASHING ROLLS}

The present invention relates to a roll washing apparatus (WASHING APPARATUS) for cleaning by spraying high-pressure washing water on foreign substances adhering to the roll surface, such as a rolling roll of a skin pass mill for rolling down a plated steel sheet, Foreign matter on the roll surface by spraying the high pressure washing water sprayed to wash the foreign matter adhering to the surface of the roll to the roll surface through a plurality of nozzles on the moving body reciprocating in the longitudinal direction of the roll while swinging in the vertical direction The present invention relates to a roll washing apparatus having excellent washability by allowing the washing to be efficiently removed.

In general, various types of rolls for rolling the material are installed in the production line of the steel mill. For example, a stand for rolling through a zinc plating bath (ZINC POT) to give a rolling force to a steel plate having zinc on its surface ( ZINC POWDER, ZINC CHIP or other foreign matter (hereinafter referred to as 'foreign substance'), which is generated during steel plate plating, is easily attached to the rolling roll of the skin pass mill In this way, the foreign matter attached to the roll of the skin pass mill causes a fatal defect on the surface of the material being rolled.

Therefore, zinc powder or ZINC TREE attached to the edge of the steel sheet, ie, zinc droplets adhered to the edge of the steel sheet, is fixed while cooling, and the droplets are pressed in the rolling process, and the twig shape It is rolled up and attached to the roll while being separated from the steel sheet.

At this time, the size of the zinc powder or zinc tree is not constant, when the large and small zinc tree is attached to the roll with the zinc powder and rolled, leaving a mark (MARK) that appears to be plated at regular intervals every time the roll is rotated on the surface of the steel sheet In addition, by placing other foreign matter on the surface of the plated steel sheet, the workers should stop the line at irregular intervals to check the cause, especially if the degree is severe, the roll itself should be replaced. The plated steel sheet in which the mark is formed on the surface by the rolled roll becomes a defect.

That is, foreign matters attached to the surface of the roll should be removed. In order to prevent deterioration of the quality of the steel sheet product due to the contamination of the roll, and to prevent the decrease in productivity while increasing the efficiency of facility management, the worker may irregularly With the line stopped, the operator manually wiped the roll surface with a dry cloth.

As a result, when the worker removes the foreign matter adhered to the roll surface by hand in the past, since the diameter of the roll is usually 800 mm or more, it is very difficult not only to harden the entire surface of the roll, but also to remove the entire surface of the roll. Since it cannot be wiped evenly and works closely to the WORK ROLL and BACK-UP ROLL, there is a high possibility of a worker's safety accident.

On the other hand, in order to solve the problem caused during the cleaning of the roll by the manual labor of the worker in the past, the equipment for wiping the roll close to the roll, that is, the equipment of the roll polisher (ROLL POLISHER) was used, It is effective because the surface to be polished is not contaminated, but after a certain time, the contact surface is contaminated and serves to attach more contaminants to the surface of the roll. There are problems that cause the adverse effect of amplifying the contamination of the.

Therefore, if the high pressure washing water is to be sprayed while swinging in the vertical direction of the roll while moving in the longitudinal direction of the roll without the operator's manual work, foreign matter attached to the surface of the roll will be more surely washed.

The present invention has been made in order to solve the various problems of the prior art, the purpose of which is to move the foreign matter adhering to the surface of the roll in the longitudinal direction of the roll, as well as the spray of the roll in the up and down direction, in particular The high-pressure washing water is injected through the nozzle, to provide a roll washing apparatus excellent in the washability to more reliably wash the foreign matter on the roll surface.

Another object of the present invention is to effectively remove and remove foreign substances such as zinc powder or zinc tree on the surface of the roll, thereby preventing surface defects of the rolls and products caused by the foreign substances, thereby improving the quality of the product and An object of the present invention is to provide a roll washing apparatus having excellent washing ability to improve productivity.

1 is a schematic perspective view showing the overall configuration of a roll washing apparatus excellent in washability according to the present invention

Figure 2 is a perspective view of the main part of the present invention, the roll cleaning device

3 is an exploded perspective view showing a roll cleaning device of the present invention

Figure 4 is an exploded perspective view showing a nozzle portion of the present invention roll cleaning device

Figure 5 as showing the body portion and rocking portion of the present invention, the roll cleaning device,

(a) is an exploded perspective view

(b) is a perspective view of the bottom of the moving body showing the mobile body seating state of the eccentric cam

Figure 6 is an exploded perspective view showing the base portion of the present invention roll cleaning device

Figure 7 is a schematic perspective view showing the left and right movement of the present invention roll washing apparatus

Figure 8 is a schematic perspective view showing the front and rear movement of the roll cleaning device of the present invention

9 is a perspective view showing an operating state of the present invention, the roll cleaning device

Explanation of symbols on the main parts of the drawings

1 .... roll cleaning device 10 ... base

12 ... Frame 14. Base plate

16a, 36b, 44b .... LM Block 16b, 36a, 44a .... LM Guide

30 .... body part 32 ... moving body

32a .... Guide groove 32b .... Settlement groove

34b .... Ball Screw 36c .... Spring

38 .... Moving Body Dolbu 38a ....

50 .... Waving 52 .... Eccentric Cam

54 .... Spline Shaft 56 .... Shaft Housing

70 .... Nozzle 72 .... Cable Carrier

74 .... collection cover 76 .... high pressure piping

80,90 .... No. 1,2 Cleaning Nozzles 82,94 .... Clamp Block

78b, 92 .... Fixed block 84,96b .... High pressure hose

As a technical configuration for achieving the above object, the present invention is provided with a base plate installed to move back and forth on the frame provided to one side of the roll for rolling the steel plate base portion capable of moving in the width direction of the roll;

A body having a movable body installed to move left and right at an upper portion of the base plate, and an angle plate connected to the rear of the movable body to enable longitudinal movement of the roll;

Equipped with an eccentric cam is inserted into the inner seating groove of the guide groove formed on the bottom of the moving body to swing the moving body to move up and down when the cam is driven; And,

A first and second nozzles mounted on the oscillating moving body and connected to a cable carrier for supplying washing water mounted on the angle plate, and disposed inside the collection case connected to the front of the moving body to wash the roll surface; Equipped with a roll cleaning device excellent in washability consisting of; nozzle portion for washing while rocking the roll surface.

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

1 is a schematic perspective view showing the overall configuration of a roll washing apparatus excellent in washability according to the present invention, Figure 2 is a perspective view showing a roll washing apparatus, Figure 3 is a full exploded perspective view showing a roll washing apparatus, 4 is an exploded perspective view showing a nozzle unit of the roll washing apparatus, FIG. 5 is a view showing a nozzle unit and a swinging unit of the roll washing apparatus, FIG. 6 is an exploded perspective view showing a base unit of the roll washing apparatus, and FIG. 7 is a roll It is a schematic perspective view which shows the left-right movement of a washing | cleaning apparatus, FIG. 8 is a schematic perspective view which shows the front-back movement of a roll washing apparatus, and FIG. 9 is a perspective view which shows the operation state of a roll washing apparatus.

1 to 3 show the overall configuration of the roll washing apparatus 1 excellent in washability according to the present invention as an installation state, a perspective view and an exploded perspective view. Such a device 1 of the present invention has a large base portion 10. And divided into the body portion 30 and the oscillation portion 50, and the nozzle portion 70, each of the components 10, 30, 50, 70 will be described in detail as follows.

First, as shown in Figure 1, the roll (R) according to the present invention consists of a work roll (R1) of the skin pass mill rolling the plated steel sheet (S) in the plating line and a backup roll (R2) for supporting it. In reality, each of the above rolls is provided with a pair of upper and lower sides, but in the drawings, one work roll R1 and a backup roll R2 are illustrated, and the roll cleaning apparatus 1 of the present invention is shown accordingly. In the upper and lower sides of the steel sheet S, a pair of roll washing apparatuses 1 of the present invention may be disposed.

Next, FIG. 2, FIG. 3, and FIG. 6 show the base part 10 of the apparatus 1 of the present invention. The base part 10 is a rolling roll R for rolling a steel plate, that is, Although not shown in the drawing, the base plate 14, which is installed to move forward and backward on the frame 12 connected as a separate fixing stand, is provided on one side of the work roll R1 and the backup roll R2 in the width direction of the roll R. It is configured to be moved to.

That is, as shown in FIGS. 3 and 6, the base plate 14 has a plurality of first L-blocks 16a installed in the longitudinal direction at the bottom thereof and installed in the longitudinal direction at the top of the frame 12. Although it is not shown in detail in the bottom of the base plate 14, the bottom of the base plate 14, the drive cylinder 18 is horizontally fixed to the frame 12 by a bracket or the like. When the rod is connected and the cylinder 18 is operated, the base plate 14 is moved on the frame 12 in the width direction of the roll R, that is, in the conveying direction of the steel sheet S (arrow of FIG. 1). .

Next, FIGS. 2, 3 and 5a show the body portion 30 of the roll washing apparatus 1 of the present invention, which is left and right on the upper portion of the base plate 14. The movable body 32 is provided to be movable, and the rear side of the movable body 32 is an angle plate 34 is connected to the pin 40 is configured to enable the longitudinal movement of the roll.

That is, as shown in Figures 3 and 5a, the movable body 32 is a ball screw installed so as to rotate the motor 34a in the longitudinal direction of the base plate 14 in the screw groove (34c) formed through the central portion thereof. 34b is fastened so that the moving body 32 is installed to move linearly in the longitudinal direction of the roll R when the motor is operated.

At this time, as shown in Figure 5a, the ball screw (34b) is rotatably mounted on the bearing block (35a) fixed to both sides of the base plate 14, the pulley (35b) and one side fixed to the end The drive belt 35c is fastened to the pulley 35b connected to the drive motor 34a mounted as a bracket on the base plate 14 so that the ball screw 34b is integrally rotated when the motor is driven. Accordingly, the left and right movements of the movable body 32 are configured.

In addition, as shown in Figures 3 and 5a, the bottom of the movable body 32, the second L block 36b which is seated and supported by the second LM guide 36a mounted forward of the base plate 14 ) Is fixedly connected via the spring 36c as the fixed plate 36d. As will be described later, the movable body 32 can be oscillated by the elasticity of the spring 36c.

On the other hand, the angle plate 34 is vertically fixed to the rear of the bracket 42 which is connected to the pin-shaped long grooves (38a) formed in the rear projections (38) of the movable body 32, the angle plate On the rear surface of the 34, a third L block 44b mounted and supported by a third L guide 44a mounted to the rear of the base plate 14 is installed so that the moving body 32 is a second and third L part. It can move stably in the longitudinal direction of the roll.

Next, FIGS. 2, 3 and 5a show the rocking portion 50 of the roll washing apparatus 1 of the present invention, and the rocking portion 50 is formed at the bottom of the moving body 32. An inner side of the guide groove 32a is provided with an eccentric cam 52 inserted into and supported by a seating groove 32b formed in the longitudinal direction of the moving body 32 so as to form a cross shape with each other.

That is, as shown in Figure 5a, the eccentric cam 52 of the swinging portion 50, between the ball screw 34 and the second LM guide 36a and the ball screw 34 integrally with the motor (34a) assembled to a spline shaft 54 arranged to be driven, wherein the end of the shaft 54 is rotatably fitted to a bearing block 35a mounted on both sides on the base plate 14, at its end. To the connected pulley 35b, the drive belt 35c fastened to each of the pulleys 35b of the motor 34a and the ball screw 34b described above is fastened so that the spline shaft 54 is integrally installed when the motor is driven. .

At this time, as shown in Figure 5a and 5b, the eccentric cam 52 of the moving body 32 to the inside of the guide groove 32a formed integrally in the width direction at the bottom of the moving body 32 The shaft housing 56 is inserted into and supported in the seating groove 32b crosswise formed in the cross direction in the longitudinal direction, and the spline shaft 54 is assembled to enable the longitudinal movement thereof as a key. The cam hole 52a is fitted to rotate integrally with a key, and the seating groove 32b is formed in a semicircular shape slightly larger than the thickness of the cam 52 so that the inserted eccentric cam 52 flows inward. The guide groove 52a is formed in a half arc shape smaller than the diameter of the cam 52 and close to the diameter of the housing 56.

That is, the oscillation part 50 of the present invention has a tolerance so as to allow flow to the seating groove 32b formed at the bottom of the moving body 32, and the eccentric cam 52 inserted and supported by the spline according to the driving of the motor 34a. The eccentric cam 52 is assembled to the shaft housing 56 which is integrally rotated upon the rotation of the shaft 54 and thus linearly movable, so that only the eccentric amount of the cam hole 52a is formed by an eccentric amount, that is, off-center. The moving body 32 swings up and down the nozzles 80 and 90 of the nozzle unit 70 to be described below while the tip end swings up and down about the ball screw 34b.

As a result, as shown in FIGS. 2 and 5a, the movable body 32 has the ball screw 34b fastened through the center thereof by the eccentric cam 52 and the lower fixing plate 36d. When the upper and lower swings elastically as the upper spring 36c, the rear end thereof is supported by the angle plate 34 by the pin 40 fitted in the long groove 38 formed in the rear protrusion 38a, and the movable body 32 ) Is a configuration that swings the ball screw 34b about its axis.

Next, Figs. 2 to 4 show the nozzle part 70 of the apparatus of the present invention. The nozzle part 7 of the present invention is an angle plate (pinned to the rear of the swinging body 32). 34, but not shown in the drawing, is connected to the cable carrier 72 for washing water supply having a flexible hose therein and disposed inside the collection case 74 connected to the front of the moving body 32. And a pair of first and second nozzles 80 and 90 to clean the roll R surface.

That is, as shown in Figure 4, the first nozzle 80 is connected to the front of the first clamp block 82 fixed to the rear of the water collecting cover 74, the first clamp block 82 And a high pressure hose 84 for supplying the washing water are connected between the high pressure pipe 76 installed in the cable carrier 72, and on the moving body 32 at the rear of the first clamp block 82. The first connection body 78c fitted to the first fixing block 78b fixed to rotate as the post 78a is connected and fixed.

In addition, the second nozzle 90 is fixed to the second fixing block 92 to the second connection body 92a vertically fitted to the first fixing block 78b, the front of the second fixing block 92 Connected to the distal end of the nozzle body 96a fitted to the second clamp block 94 connected as a third connecting body 94a to the upper side of the dust collecting cover 74, while being rearward of the nozzle body 96a. The second high pressure hose (96b) is connected to the high pressure water pipe (76).

4, the first and second nozzles 80 and 90 are connected to the first clamp block 82 and the nozzle body 96a to facilitate bending of the nozzle. 80e) and 90e, and the elastic tubes have nozzles 80c and 90c as tip retainers 80d and 90d via tip bodies 80a and 90a and screen strainers 80b and 90b. It is integrally connected and assembled.

And, as shown in Figure 4, the first clamp block 82 is not shown in detail in the drawing, but the support rod 82a that rotates as a bearing 82b supported as a separate bracket is connected, It is also possible to install so as to adjust the angle of the first clamp block 82, and accordingly the second clamp block 94 is connected to the first clamp block 82 and the first and second fixed blocks (78b, 92) It will also be possible to adjust the angle of.

In addition, although not shown as a separate code in the drawings, the connection team is interposed between the blocks and the connection body, the nipple is connected to the connection portion of the respective pipes.

4, a water collecting opening 74a is formed in the water collecting cover 74 for collecting the sprayed washing water, and a cover portion into which the second nozzle 90 is inserted is schematically illustrated in the drawing. Although shown as, the flange 74b for fixing it is fastened.

Next, as shown in FIG. 1, a flexible hose (not shown) to which the high pressure pipe 76 is connected is disposed inside the cable carrier 72 to facilitate roll longitudinal movement of the apparatus 1 of the present invention. Is installed, the flexible hose is connected to the high pressure pipe 110, the high pressure pump 110 for supplying the washing water at a pressure of about 140Kgf / ㎠ from the washing water tank 100 for storing the water to be used as the washing water, A drain pump 120 is installed at one side to drain the washing water, and a control panel C for controlling each motor, cylinder, and pumps is disposed at one side, and a lower side of the washing water storage tank 100 is schematically provided. Although shown in the figure is made of a configuration in which the hydraulic unit (U) for the operation of the drive cylinder (18) is arranged.

Referring to the operation of the present invention made in the above configuration in detail as follows.

1 to 9, the work of the skin pass mill (SKIN PASS MILL) is a stand (STAND) to pass through the zinc plating bath (ZINC POT) to give a rolling force to roll the steel sheet with zinc on the surface A nozzle that swings up and down while moving zinc powder, zinc chip, or other foreign matter attached to the roll R1 and the backup roll R2 in the length and width directions of the roll without a worker's manual work. Roll washing apparatus 1 of the present invention to wash the high-pressure washing water sprayed through the (80) (90) to improve the roll washability is as follows.

First, as shown in FIGS. 1, 3, and 8, when the system unit, that is, the hydraulic unit U, is moved to advance the lower hydraulic cylinder 18 of the frame 12, as shown in FIGS. 3 and 6. The base plate 14 is moved to the work roll (R1) and the backup roll (R2) side of the skin pass mill (SKIN PASS MILL), and eventually placed in front of the moving body 32 on the base plate 14, The lower pair of first and second nozzles 80 and 90 are positioned adjacent to the roll.

Next, as shown in FIGS. 1, 3, and 7, when the driving motor 34a on the base plate 14 is operated, the driving belt 35c driven as the pulley 35b is a ball screw 34b. When the ball screw 34b is driven by rotating the pulley 35c, the moving body 32 to which the ball screw 34b is fastened moves in the longitudinal direction of the roll.

At this time, at the bottom of the movable body 32, a second L block 36b seated and supported by a second L guide 36a mounted forward of the base plate 14 is provided with a spring 36c as a fixed plate 36d. The angle plate 34 vertically fixed to the rear of the bracket 42 which is connected and fixed through the arc-shaped long groove 38a formed in the rear protrusion 38 of the movable body 32 and the pin 40 is connected. The rear of the base plate 14 is provided with a third L-m block (44b) is seated and supported by the third L-m guide (44a) mounted.

Therefore, as shown in Figures 2 and 7, the movable body 32 is to move left and right more stably in the longitudinal direction of the roll by the second, third parts.

In particular, as shown in FIGS. 2 and 5, the pulley 35b driven as the belt 35c is provided in the seating groove 32b formed inside the guide groove 32a formed at the bottom of the movable body 32. The eccentric cam 52 assembled in the housing 56 through which the spline shaft 54 provided at the end passes is fitted.

On the other hand, as shown in Figure 9, the moving body 32 moving as the ball screw (34b) is continuously operated in the up and down direction by the eccentric cam 52, and eventually the moving body 32 The first and second nozzles 80 and 90 disposed forward of the spray nozzle are sprayed with the washing water while shaking up and down by the elastic pipes 80e and 90e shown in FIG. R) It is possible to clean the foreign substances on the surface more reliably.

At this time, as shown in Figure 5a, because the spring 36c on the fixed plate (36d) is connected to the bottom of the moving body 32, the spring (36c) when the moving body 32 is rocking compression and The expansion of the mobile body 32 to support the fluctuation of the mobile body 32 more smoothly, and at the same time the separation between the eccentric cam 52 and the mobile body 52 during the swing of the mobile body 32 is prevented.

In addition, the movable body 32 flows up and down by the eccentric cam 52 around the ball screw 34b, and at this time, the movable body 32 is attached to the bracket 42 installed on the angle plate 34. The long groove 38a of the rear protrusion 38 of the pin 40 is connected to the pin 40, so that the movable body 32 is elastically supported by the spring 36c when the eccentric cam 52 is driven to rotate, and the rear end thereof. The part is connected to the pin (40) to the bracket 42 to swing the ball screw (34b) to the axis, which is, as shown in Figure 9, the first and second nozzles (80, 90) up and down rocking It is possible to increase the washability while doublely expanding the roll contact portion of the sprayed high pressure washing water.

Next, as shown in FIG. 1, when the washing water pump 130 of the system unit is operated, a flexible hose in the cable carrier 72 for supplying the washing water mounted on the angle plate 34 is connected to the high pressure pipe 76. High pressure washing water of about 140 Kgf / cm 2 is sent to the bifurcated first and second high pressure hoses 84 and 96b and connected to the first and second high pressure hoses 84 and 96b through blocks. The nozzles 80 and 90 are vertically oscillated by the moving body 32 while spraying the washing water onto the work roll R1 of the skin pass mill and the rolling roll R2 on the upper side thereof while simultaneously expanding the washing part.

On the other hand, as shown in Figure 3, the first nozzle 80 is fixed to the first clamp block 82, the washing water is supplied as a first high pressure hose 84 connected thereto, the second nozzle 90 The first clamp block 82 is connected to the first fixed block (78b) is fixed to the moving body 32, the second fixed block 92 and the second clamp block 94 in the nozzle body (96a) By being fixed, not only the first nozzle 80 but also the second nozzle 90 are easily installed and disassembled on the moving body 32.

Accordingly, compared to the conventional removal of foreign matter adhering to the surface of the roll by hand, according to the roll cleaning apparatus 1 of the present invention, the moving body 32 moving in the longitudinal direction of the roll is simultaneously shaken to integrally first. By swinging the two nozzles 80 and 90, the roll surface contact area of the high pressure washing water is increased by that much, which is extremely excellent in the roll cleaning property.

According to the roll cleaning device of the present invention excellent in washability, when foreign substances such as zinc powder or zinc tree generated when rolling in a skin pass mill (Skin PASS MILL) is attached to the roll (ROLL), by a rocking nozzle The high pressure jet of the roll is sprayed with the increased contact area on the front of the roll, so that foreign matter or fine dirt compressed on the roll, which was not removed by simple water, can be secured. It is cleaned and removed to secure the plating quality of the steel sheet, and eventually provides an advantage of improving the product quality of the steel sheet.

In addition, as a pair of nozzles are assembled by blocking the moving body swinging up and down while moving in the longitudinal direction of the roll, the nozzle assembly and disassembly, as well as the effect of facilitating the assembly and disassembly of the roll cleaning apparatus. .

Moreover, the nozzle is connected to the moving body that moves smoothly in the width and length direction of the roll, and the washing width is adjusted in various ways according to the size of the roll to be cleaned. The height is to provide an excellent effect.

While the invention has been shown and described with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit or scope of the invention as set forth in the claims below. I would like to know that those who have knowledge of this can easily know.

Claims (6)

A base part (10) having a base plate (14) installed to move forward and backward on a frame (12) provided on one side of a roll (R) for rolling a steel plate; The body 30 has a movable body 32 installed to move left and right on the base plate 14, the angle plate 34 is pin-connected to the rear of the movable body 32 to enable the longitudinal movement of the roll 30 );Wow, Eccentric cam 52 is inserted into and supported in the inner seating groove 32b of the guide groove 32a formed at the bottom of the movable body 32 so that the movable body 32 can swing up and down when the cam is driven. Oscillation unit 50; And, Of the water collecting case 74 mounted on the swinging body 32 and connected to the cable carrier 72 for supplying the washing water mounted on the angle plate 34, and connected to the front of the moving body 32. The roll washing apparatus having excellent washability, comprising: a nozzle unit 70 disposed inside and equipped with the first and second nozzles 80 and 90 for washing the surface of the roll R, while shaking the roll surface. . According to claim 1, wherein the base portion Base plate 14 is a plurality of first L-m block (16a) is installed in the longitudinal direction on the top of the frame 12 is a plurality of first L block 16a installed in the bottom portion in the longitudinal direction Is seated and supported on the guide 16b, The driving cylinder 18 fixed to the frame 12 is connected to the rear of the base plate 14 so that the base plate 14 is configured to move back and forth in the width direction of the roll during cylinder operation. Device The body screw moving body 32 is fastened to the screw groove (34c) formed in the center portion of the ball screw 34b installed to rotate the motor 34a in the longitudinal direction of the base plate (14) To linearly move in the longitudinal direction of the roll, On the bottom of the movable body 32, a second L block 36b, which is seated and supported by a second L guide 36a mounted forward of the base plate 14, is connected and fixed through a spring 36c. The angle plate 34 is vertically fixed to the rear of the bracket 42 which is connected to the pin-shaped long groove 38a formed in the rear protrusion 38 of the movable body 32, the angle plate 34 At the back of the base plate, a third L-m block 44b mounted and supported by a third L-m guide 44a mounted to the rear of the base plate 14 is installed to move the moving body 32 in the longitudinal direction of the roll. Roll cleaning device, characterized in that The spline of claim 1, wherein the oscillating part eccentric cam (52) is disposed between the ballscrew (34) and the third LM guide (42a) and integrally with the ballscrew (34) to drive the motor (34a). The shaft 54 is fixed to the housing 56 to be fitted, the housing 56 is fixed to be movable along the spline shaft 54, The mounting groove 32b and the guide groove 32a in which the eccentric cam 52 is inserted and supported are cross-shaped so that the housing 56 is seated in the guide groove 32a, and the guide groove 32a is It is formed in the shape of a half arc of a smaller diameter than the eccentric cam 52 to prevent the separation of the eccentric cam 52, A spring 36c elastically connected to the fixed plate 36d on the second M block 36b is connected to the bottom of the front end of the movable body 32 so that the movable body 32 is a spring when the eccentric cam 52 is driven to rotate. Roll cleaning device, characterized in that it is configured to swing up and down as elastic The method of claim 1, wherein the nozzle unit first nozzle 80 is connected to the front of the first clamp block 82 fixed to the rear surface of the collecting cover 74, and the first clamp block 82 The first high pressure hose 84 for supplying the washing water is connected between the high pressure pipes 76 installed in the cable carrier 72, Behind the first clamp block 82, a first connecting body 78c fitted to the first fixing block 78b fixed to rotate as a post 78a on the moving body 32 is fixed as spray washing water. Roll cleaning device, characterized in that configured to wash while swinging up and down on the moving body 32 swinging the lower work roll (R2) of the roll (R) The second fixing block 92 is fixed to the second connection body 92a vertically fitted to the first fixing block 78b. Connected to the distal end of the nozzle body 96a fitted to the second clamp block 94 connected as a third connecting body 94a in front of the block 92, and is disposed upwardly inside the dust collecting cover 74; The upper back-up roll of the roll (R) while swinging up and down by the moving body 32, which is connected to the second high pressure hose (96b) connected to the high pressure water pipe (76) to the rear of the nozzle body (96a) ( Roll cleaning apparatus, characterized in that configured to wash the surface of R2).