KR20240047173A - Apparatus for cleaning strip guide roller and equipment for manufacturing strip - Google Patents

Abstract

The present invention provides a steel sheet guide roller cleaning device. The steel sheet guide roller cleaning device includes a main body; It is disposed to be reciprocatable in the horizontal direction in the main body, and is in contact with the outer surface of the guide roller, which is rotated to guide the movement of the steel plate, and cleans the outer surface of the guide roller by spraying cleaning air at a certain pressure while reciprocating. cleaning department; and a discharge unit disposed below the main body at a predetermined position and discharging foreign substances cleaned from the outer surface of the guide roller as the cleaning unit is driven.

Description

Steel sheet guide roller cleaning device and steel sheet manufacturing equipment including the same {Apparatus for cleaning strip guide roller and equipment for manufacturing strip}

The present invention relates to a steel sheet guide roller cleaning device and a steel sheet manufacturing facility including the same. More specifically, a steel sheet guide roller cleaning device capable of cleaning and removing oil particles and foreign substances formed on the lower guide roller disposed below the oiler, and It relates to steel plate manufacturing equipment including this.

Figure 1 is a diagram showing a portion of a steel plate manufacturing facility in which a conventional oiler is installed.

Referring to Figure 1, an oiler (4) is installed to prevent product surface rust in the continuous line or recoil line facility of cold rolling and plating facilities at a steel mill.

However, during the process of spraying oil from the inside of the oiler (4), fine oil (OIL) particles accumulate at the bottom of the equipment and fall in the form of drops onto the lower guide roller (1') located at the bottom of the upward path and the oiler ( 4) As equipment ages, pollutants in the form of fine powder are generated, which leads to product surface defects. Configuration number 1 is the travel path, and 10 is the steel plate.

If it is shipped in this condition without reprocessing or checking, there is a problem that may lead to product defects.

In addition, since there is no conventional device capable of cleaning oil particles and foreign substances falling to the bottom as described above, the operator directly intervenes to perform the cleaning. Accordingly, there is a problem of safety accidents occurring, such as part of the worker's body being caught in the lower roll.

Republic of Korea Patent No. 10-0825643 (registration date: April 21, 2008)

The present invention was devised to solve the above-mentioned problems, and the purpose of the present invention is as follows.

The object of the present invention is to provide a steel sheet guide roller cleaning device that can remove oil particles and foreign substances formed on the outer circumference of the oiler by physically cleaning them using a brush while rotating the lower guide roller of the oiler and discharging them to the outside, and a steel sheet including the same. Providing manufacturing facilities.

Another object of the present invention is to provide a steel sheet guide roller cleaning device that can increase cleaning efficiency by bringing the brush into contact with the outer curvature of the lower guide roller, and a steel sheet manufacturing facility including the same.

Another object of the present invention is to provide a steel sheet guide roller cleaning device that can shake off and remove residual foreign substances and oil particles formed on the brush by vibrating the brush above a certain level after the cleaning process, and a steel sheet manufacturing facility including the same. .

The objects of the present invention are not limited to the objects mentioned above, and other objects and advantages of the present invention that are not mentioned can be understood by the following description and will be more clearly understood by the examples of the present invention. Additionally, it will be readily apparent that the objects and advantages of the present invention can be realized by the means and combinations thereof indicated in the claims.

To achieve the above objectives, the present invention provides a steel plate guide roller cleaning device.

The steel sheet guide roller cleaning device includes a main body; It is disposed to be reciprocatable in the horizontal direction in the main body, and is in contact with the outer surface of the guide roller, which is rotated to guide the movement of the steel plate, and cleans the outer surface of the guide roller by spraying cleaning air at a certain pressure while reciprocating. cleaning department; and a discharge unit disposed below the main body at a predetermined position and discharging foreign substances cleaned from the outer surface of the guide roller as the cleaning unit is driven.

Here, the cleaning department is,

a ball screw that is rotatably supported at both ends of the main body and forms a movement path capable of reciprocating movement along the horizontal direction;

a rotation motor that rotates the ball screw in a forward/reverse direction;

a cleaning module that is screw-fastened to the ball screw and has a brush at the bottom that contacts an outer surface of the guide roller;

a cleaning air injection unit connected to the cleaning module and spraying the cleaning air at a certain pressure to the brush;

Provided with a controller that controls the rotation motor and the cleaning air injection unit,

The controller preferably controls driving of the rotation motor to reciprocate the cleaning module between a set initial position and a final position.

And the main body portion is provided with a lifting cylinder having a lifting shaft that is raised and lowered,

The lower end of the lifting shaft is connected to the upper end of the main body,

The controller is,

When a cleaning signal is input from the outside,

It is preferable to lower the main body using the lifting cylinder so that the end of the brush formed at the bottom of the cleaning module is moved to a position where it contacts the outer surface of the guide roller.

Additionally, the end of the brush is,

It is desirable to form a certain concave curvature so as to contact the outer surface of the guide roller.

Additionally, a first proximity sensor is installed at the initial position,

At the final position, a second proximity sensor is installed,

A first recognition member recognized by the first proximity sensor is installed on one side of the cleaning module,

A second recognition member recognized by the second proximity sensor is installed on the other side of the cleaning module,

The controller preferably determines the initial position and the final position by recognizing the first and second recognition members using the first and second proximity sensors.

In addition, the cleaning air injection unit,

an air supply unit that supplies the cleaning air;

Includes an air supply tube connected to the air supply and the cleaning module,

The controller is,

While the cleaning module is reciprocated between the initial position and the final position, it is preferable to use the air supply to supply cleaning air at a certain pressure to the brush through the interior of the cleaning module through the air supply tube. do.

Additionally, the controller

It is preferable to variably control the injection pressure of the injected cleaning air by controlling the operation of the air supply so that it is proportional to the rotation speed of the rotation motor at a set ratio.

Additionally, the cleaning module,

A module box formed in the internal space, the lower part of which is open, and connected to the air supply tube,

It is coupled to the bottom of the module box and has a brush module having the brush,

The brush module is,

A fixing plate with multiple air holes,

It is preferable to provide the detachable brush at the bottom of the fixing plate.

According to another embodiment, the present invention includes the above-described steel sheet guide roller cleaning device.

Through means of solving the above problems, the present invention has the effect of removing oil particles and foreign substances formed on the outer circumference of the oiler by rotating the lower guide roller and discharging it to the outside by physically cleaning it using a brush.

Additionally, the present invention has the effect of increasing cleaning efficiency by bringing the brush into contact with the outer curvature of the lower guide roller.

In addition, the present invention has the effect of shaking off and removing residual foreign substances and oil particles formed on the brush by vibrating the brush above a certain level after the cleaning process.

In addition to the above-described effects, specific effects of the present invention are described below while explaining specific details for carrying out the invention.

Figure 1 is a diagram showing a portion of a steel plate manufacturing facility in which a conventional oiler is installed.
Figure 2 illustrates a steel sheet manufacturing facility including a steel sheet guide roller cleaning device according to the present invention.
Figure 3 is a diagram showing the configuration of a steel sheet guide roller cleaning device according to the present invention.
Figure 4 is a diagram showing the configuration of a cleaning module according to the present invention.
Figures 5 to 8 are diagrams showing the operation of the steel sheet guide roller cleaning device according to the present invention.
Figure 9 is a flow chart showing the operation of the steel sheet guide roller cleaning device according to the present invention.
Figure 10 is a diagram showing an example in which self-cleaning of brushes according to the present invention is possible.

Hereinafter, with reference to the drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily implement the present invention.

The present invention may be implemented in many different forms and is not limited to the embodiments described herein.

In order to clearly explain the present invention, parts that are not relevant to the description are omitted, and identical or similar components are assigned the same reference numerals throughout the specification.

Hereinafter, the “top (or bottom)” of the substrate or the provision or arrangement of any component on the “top (or bottom)” of the substrate means that any component is provided or disposed in contact with the upper (or lower) surface of the substrate. means that

Additionally, it is not limited to not including other components between the substrate and any components provided or disposed on (or under) the substrate.

Next, a steel sheet guide roller cleaning device of the present invention and a steel sheet manufacturing facility including the same will be described with reference to the attached drawings.

Figure 2 illustrates a steel sheet manufacturing facility including a steel sheet guide roller cleaning device according to the present invention.

Referring to Figure 2, the steel sheet manufacturing equipment of the present invention is equipped with a plurality of guide rollers (1) that can form a movement path along which the steel sheet (10) moves, and a steel sheet guide roller cleaning device (5).

An inspection table 2 is placed on the moving path, and a pressure roller 3 is placed at another location.

And at the rear end of the moving path, an oiler 4 is disposed on the upward path side to spray oil on the moving steel plate 10. Here, one of the guide rollers 1 (1') is disposed below the oiler (4). Accordingly, some oil particles and foreign substances may fall from the oiler 4 and fall onto the guide roller 1' located at the bottom of the upward path.

Here, as shown in FIG. 2, the steel sheet guide roller cleaning device 5 according to the present invention is preferably disposed on the upper part of the guide roller 1' located at the lower part of the rising path. In the following, the guide roller 1' will be referred to as the lower guide roller 1'.

Figure 3 is a diagram showing the configuration of a steel sheet guide roller cleaning device according to the present invention.

Referring to Figure 3, the steel plate guide roller cleaning device 5 of the present invention is arranged to be movable in a horizontal direction in the main body 100 and the main body 100, and guides the movement of the steel plate 10. a cleaning unit 200 that cleans the outer surface of the lower guide roller 1' while spraying cleaning air at a certain pressure while being in contact with and reciprocating the outer surface of the lower guide roller 1', which is rotated, and the main body part. It is disposed at a certain position below the 100 and includes a discharge unit 300 through which foreign substances cleaned from the outer surface of the lower guide roller 1' are discharged as the cleaning unit 200 is driven.

The discharge unit 300 may be fixedly installed at the lower part of the main body 100 corresponding to the lower final position P2, which will be described later. The discharge unit 300 forms a flow path through which oil particles and foreign substances are discharged. The discharge unit 300 may be equipped with a discharge pump (not shown) having a pumping capability for discharge.

The cleaning unit 200 according to the present invention includes a ball screw 210 that is rotatably supported at both ends by the main body 100 and forms a movement path capable of reciprocating movement along the horizontal direction, and the ball screw 210 A cleaning module ( 230), a cleaning air injection unit 250 connected to the cleaning module 230 and spraying the cleaning air at a certain pressure to the brush 240, the rotation motor 220, and the cleaning air injection unit It consists of a controller 260 that controls the operation of 250.

Here, the controller 260 may control the driving of the rotation motor 220 to reciprocate the cleaning module 230 between the set initial position (P1) and the final position (P2).

Additionally, the main body 100 is provided with a lifting cylinder 110 having a lifting shaft 111 that is raised and lowered.

The lower end of the lifting shaft 111 is connected to the upper end of the main body 100.

When the controller 260 receives a cleaning signal from the outside, the end of the brush 240 formed at the bottom of the cleaning module 230 moves to a position where it contacts the outer surface of the lower guide roller 1'. The main body 100 can be lowered using the lifting cylinder 110.

In addition, the end of the brush 240 forms a certain concave curvature so as to contact the outer surface of the lower guide roller 1'. The end of the brush 240 contacts the outer surface of the lower guide roller 1' along a corresponding curvature.

Additionally, a first proximity sensor 261 is installed at the initial position (P1). At the final position P2, a second proximity sensor 62 is installed.

A first recognition member 231 recognized by the first proximity sensor 261 is installed on one side of the cleaning module 230.

A second recognition member 232 recognized by the second proximity sensor 262 is installed on the other side of the cleaning module 230.

The first and second recognition members 231 and 232 are formed in a bent shape along the outer side.

The controller 260 recognizes the first and second recognition members 231 and 232 using the first and second proximity sensors 261 and 262 to determine the initial position (P1) and the final position (P2). can be judged.

Accordingly, the controller 260 can make the cleaning module 230 stand by at the initial position (P1).

Meanwhile, the cleaning air injection unit 250 has an air supplier 251 that supplies the cleaning air, and an air supply tube 252 connected to the air supplier 251 and the cleaning module 230.

The controller 260 supplies cleaning air at a certain pressure using the air supply 251 while the cleaning module 230 is reciprocated between the initial position and the final position (P2) through the air supply tube 252. ) can be supplied to the brush 240 through the interior of the cleaning module 230.

Additionally, the controller 260 may variably control the injection pressure of the injected cleaning air by controlling the operation of the air supply 251 to be proportional to the rotation speed of the rotation motor 220 at a set ratio.

Figure 4 is a diagram showing the configuration of a cleaning module according to the present invention.

Referring to FIG. 4, the cleaning module 230 according to the present invention is formed in an internal space, has an open bottom, a module box 233 connected to the air supply tube 252, and a module box 233 of the module box 233. It is coupled to the bottom and has a brush module 234 having the brush 240.

The brush module 234 has a fixing plate 234a with a plurality of air holes h formed thereon, and the brush 240 that is detachable from the bottom of the fixing plate 234a.

An airtight member 235 may be interposed between the bottom of the module box 233 and the fixing plate 234a. The internal space of the module box 233 can be airtightened through the airtight member 235.

Figures 5 to 8 are diagrams showing the operation of the steel sheet guide roller cleaning device according to the present invention. Figure 9 is a flow chart showing the operation of the steel sheet guide roller cleaning device according to the present invention.

The operation of the steel sheet guide roller cleaning device according to the present invention will be described with reference to FIGS. 5 to 9, and the structure will be described with reference to FIGS. 2 to 6.

The steel plate 10 moves along a movement path, and the movement may be guided through each guide roller 1. Additionally, the oiler 4 sprays a certain amount of oil onto the steel plate 10 moving along the upward path. At this time, oil particles and foreign substances may fall on the lower guide roller 1', which is a steel plate guide roller located at the bottom of the upward path.

The controller 260 may receive a cleaning signal through an input device (not shown).

The main body 100 may be spaced apart from the upper part of the lower guide roller 1'. At this time, the cleaning module 230 may be in a waiting state at the initial position (P1).

The controller 260 uses the air supply 251 to supply cleaning air at a certain pressure to the internal space of the cleaning module 230 through the air supply tube 252.

The cleaning air supplied in this way may be sprayed downward to the brush 240 through the air holes (h) formed in the fixing plate 234a. This sprayed cleaning air is sprayed onto the lower guide roller 1' to achieve air cleaning.

In this state, the controller 260 lowers the lifting shaft 111 of the lifting cylinder 110. Accordingly, the brush 240 provided at the lower part of the cleaning module 230 contacts the outer surface of the rotating lower guide roller 1'. Here, the lower end of the brush 240 has a concave curvature so that it can uniformly contact the outer surface of the lower guide roller 1'. Through this, the entire outer surface of the lower guide roller 1' can be physically cleaned because the brush 240 is rotated while in contact with the outer surface.

And the controller 260 uses the rotation motor 220 to reciprocate the cleaning module 230 from the initial position (P1) to the final position (P2) to the initial position (P1). Here, since the module box 233 is screw-fastened to the ball screw 210, it can be stably moved according to the rotation of the ball screw 210.

Here, the brush 240 brushes oil particles and foreign substances from the outer surface of the rotating lower guide roller 1', and these are collected through the discharge part 300 fixed to the lower part of the main body 100 and discharged to the outside. You can.

Then, when the cleaning module 230 reaches a preset number of reciprocations, the controller 260 raises the main body 100 to the standby position using the lifting cylinder 110, and moves the cleaning module 230 to the initial position (P1). Stop the operation of the location and air supply unit 251 to complete the cleaning process.

According to the above configuration and operation, the present invention can remove oil particles and foreign substances formed on the outer circumference of the oiler by rotating the lower guide roller and discharging it to the outside by physically cleaning it using a brush.

Additionally, the present invention can increase cleaning efficiency by bringing the brush into contact with the outer curvature of the lower guide roller.

Figure 10 is a diagram showing an example in which self-cleaning of brushes according to the present invention is possible.

Referring to FIG. 10, fixing members 234b (see FIG. 4) for fixing the upper ends of a certain number of brushes 240 are provided at the bottom of the fixing plate 234a according to the present invention, and each of the fixing members 234b This vibration module may be provided. The vibration modules are driven under the control of the controller 260.

When the cleaning module 230 reaches the top of the discharge unit 300, that is, the final position (P2), the controller 260 drives the vibration modules for a set time to apply vibration to the brushes 240 to clean the brushes 240. ) can also be forcibly shaken off residual oil particles and foreign substances stuck in the oil and discharged through the discharge unit 300.

Accordingly, in the present invention, after the cleaning process, the brush 240 can be vibrated above a certain level to shake off and remove any remaining foreign substances and oil particles formed on the brush 240. In other words, the brush can be self-cleaning.

Here, the occurrence of oil particles can be monitored using a separate oil leak detection sensor (not shown) at the bottom of the oiler 4, and when detected, the occurrence of oil leakage can be notified to the controller 260.

The present invention is not limited to the specific preferred embodiments described above, and various modifications can be made by anyone skilled in the art without departing from the gist of the invention as claimed in the claims. Of course, such changes are within the scope of the claims.

1: Guide roller
1' lower guide roller
2: Inspection table
3: pressure roller
4: Euler
5: Steel plate guide roller cleaning device
100: main body
110: lifting cylinder
111: lifting shaft
200: Cleaning unit
210: ball screw
220: rotation motor
230: Cleaning module
231: Absence of first recognition
232: Absence of secondary recognition
233: module box
234: Brush module
234a: fixing plate
240: brush
250: Cleaning air injection unit
251: Air supplier
252: Air supply tube
260: controller
261: First proximity sensor
262: Second proximity sensor
300: discharge part
P1: initial position
P2: final position
h: air hole

Claims (7)

main body;
It is disposed to be reciprocatable in the horizontal direction in the main body, and is in contact with the outer surface of the guide roller, which is rotated to guide the movement of the steel plate, and cleans the outer surface of the guide roller by spraying cleaning air at a certain pressure while reciprocating. cleaning department; and,
A steel sheet guide roller cleaning device, which is disposed at a certain position below the main body and includes a discharge part through which foreign substances cleaned from the outer surface of the guide roller are discharged as the cleaning part is driven.
According to clause 1,
The cleaning department,
a ball screw that is rotatably supported at both ends of the main body and forms a movement path capable of reciprocating movement along the horizontal direction;
a rotation motor that rotates the ball screw in a forward/reverse direction;
a cleaning module that is screw-fastened to the ball screw and has a brush at the bottom that contacts an outer surface of the guide roller;
a cleaning air injection unit connected to the cleaning module and spraying the cleaning air at a certain pressure to the brush;
Provided with a controller that controls the rotation motor and the cleaning air injection unit,
The controller is a steel sheet guide roller cleaning device, characterized in that the driving of the rotation motor is controlled to reciprocate the cleaning module between a set initial position and a final position.
According to clause 2,
The main body portion is provided with a lifting cylinder having a lifting shaft that is raised and lowered,
The lower end of the lifting shaft is connected to the upper end of the main body,
The controller is,
When a cleaning signal is input from the outside,
A steel sheet guide roller cleaning device, characterized in that the main body part is lowered using the lifting cylinder so that the end of the brush formed at the bottom of the cleaning module is moved to a position where it contacts the outer surface of the guide roller.
According to clause 3,
The end of the brush is,
A steel plate guide roller cleaning device characterized in that a certain concave curvature is formed to contact the outer surface of the guide roller.
According to clause 2,
At the initial position, a first proximity sensor is installed,
At the final position, a second proximity sensor is installed,
A first recognition member recognized by the first proximity sensor is installed on one side of the cleaning module,
A second recognition member recognized by the second proximity sensor is installed on the other side of the cleaning module,
The controller determines the initial position and the final position by recognizing the first and second recognition members using the first and second proximity sensors.
According to clause 2,
The cleaning air injection unit,
an air supply unit that supplies the cleaning air;
Includes an air supply tube connected to the air supply and the cleaning module,
The controller is,
While the cleaning module is reciprocated between the initial position and the final position, the air supply is used to supply cleaning air at a certain pressure to the brush through the interior of the cleaning module through the air supply tube. A steel plate guide roller cleaning device.
A steel plate manufacturing facility comprising the steel plate guide roller cleaning device according to any one of claims 1 to 6.