KR100896589B1 - An apparatus for coating the surface of a strip coil with coating solution - Google Patents

Abstract

Provides a solution coating apparatus for the surface of the steel sheet to uniformize the surface coating when coating the chromium solution of the steel sheet to improve the corrosion resistance of the steel sheet,

The solution coating apparatus of the surface of the steel sheet, the steel sheet conveying roll fixedly installed on the first base disposed on the bottom and the second base vertically installed on the top; and the third, respectively installed in front and rear of the first base, 4, the first and second solution tanks are installed in the base and the coating solution is filled; A sixth base vertically connected to the first driving cylinder vertically connected to the second base; a second base respectively installed on a fifth base connected to the sixth base and connected to a motor and partially immersed in a second solution tank; A steel plate coating part having a second immersion roll and a second and first coating roll contacting the steel sheet conveyed with the second immersion roll and coating the solution; And a first and second adjustment rolls which are connected to the second driving cylinders installed in the third and fourth bases and are moved back and forth while adjusting the adhesion strength with the first and second immersion rolls.

Therefore, the present invention provides an effect of improving the quality of the steel sheet product by uniformly coating the solution in the width direction of the steel sheet when coating the chromium solution to finally improve the corrosion resistance of the steel sheet on the finished steel sheet product produced as a finished product It is.

Steel plate continuous process, steel plate corrosion resistance, steel plate surface coating, chrome solution coating device, resin coating

Description

Liquid coating device on the surface of steel sheet to make coating uniform {AN APPARATUS FOR COATING THE SURFACE OF A STRIP COIL WITH COATING SOLUTION}             

1 is a schematic perspective view showing a ringer roll for adjusting the coating amount when coating the chromium solution of a conventional steel sheet

Figure 2 is a perspective view showing a solution coating apparatus of the surface of the steel sheet to uniform coating in accordance with the present invention

Figure 3 is an exploded perspective view showing a solution coating device of the surface of the steel sheet to uniform the coating of the present invention

Figure 4 shows the operating state of the solution coating apparatus of the surface of the steel sheet to uniform the present inventors,

(a) is a schematic diagram showing the solution coating operation of the surface of the steel sheet by the apparatus of the present invention

(b) is a schematic diagram showing an open state of the device rolls of the present invention;

Explanation of symbols on the main parts of the drawings

1 .... Solution coating equipment on steel surface 10,20 .... Steel plate feed roll

12,22,32,42,52,62 .... Base 24,82 .... 1st and 2nd drive cylinder                 

30,40 .... first and second solution baths 50a, 50b .... first and second immersion rolls

60a, 60b .... First and second coating roll 70 .... Steel plate coating

80a, 80b .... 1st and 2nd adjustment roll B ... bearing bearing

M .... drive motor

The present invention relates to a solution coating apparatus for the surface of the steel sheet for coating a solution such as chromium on the surface of the steel sheet in order to improve the corrosion resistance of the steel sheet, and more specifically to the surface of the steel sheet product is finished production of the finished product The present invention relates to a solution coating apparatus for a surface of a steel sheet that makes it possible to apply the chromium solution to improve the corrosion resistance more uniformly in the width direction of the steel sheet so as to improve the surface coating quality of the steel sheet product.

In general, during the continuous process of cold-rolled steel sheet, the surface of the steel sheet is processed precisely, and then the finished steel sheet manufactured through the plating process such as molten zinc is transported to several persons. To coat the coating solution, such as chrome (chrome) to improve the, Figure 1 shows a conventional chromium solution coating operation of the steel sheet surface.                         

That is, as shown in FIG. 1, although not shown in the drawing, the surface of the steel sheet 120 refracted and conveyed toward the Ringer roll frame 110 as the feed roll 100 is directly chromium solution to the surface of the steel sheet 120. After coating, the solution coated steel plate 120 is coated and transported by the chromium solution is passed through the upper and lower Ringer rolls 130 installed on the frame 110, the coating amount of the coated chromium solution is adjusted to Chrome solution coating will be completed.

However, in the case of coating the chromium solution directly on the surface of the steel plate as described above, the coated chromium solution is blown around, causing a bad smell and worsening the working environment, while the chromium solution, which is chromic acid, contacts the skin of the worker. There is a high risk of damaging the skin, especially the chromium solution is a problem that the surrounding facilities and working environment is contaminated.

In addition, as shown in Figure 1, since the chromium solution coated steel sheet is mostly used for home appliances, the solution coating amount must be precisely adjusted, while the liquid coating of the steel sheet while directly contacting the surface of the steel sheet 120 In the conventional case using the linker roll 130 for adjusting the amount, it is not easy to adjust the coating amount of the steel sheet of the chromium solution, and the surface of the steel sheet 120 in which the ringer roll 130 made of rubber rolls directly proceeds at a high speed. Since the coating amount of the solution is adjusted while contacting with, the wear degree of the ringer roll 130 is increased by that amount, and eventually, the worn ringer roll 130 causes surface defects of the steel sheet to generate a mart on the surface of the steel sheet. By doing so, there is a problem of lowering the surface quality of the steel sheet and eventually lowering the product reliability of the steel sheet.

The present invention has been made in order to solve the various problems as described above, the object of the present invention is to the width direction of the steel sheet when coating the chromium solution to finally improve the corrosion resistance of the steel sheet on the surface of the finished steel sheet product production The present invention provides a solution coating apparatus on a surface of a steel sheet that makes it possible to uniformly coat a solution to improve the quality of the steel sheet product.

In addition, another object of the present invention, there is no flying to the periphery of the solution at the time of coating the solution of the steel sheet to prevent the contamination of the workplace and equipment by the solution in advance, and to prevent the worker's safety accident due to the harmful solution to the human body It is to provide a solution coating apparatus on the surface of the steel sheet to make it uniform.

As a technical configuration for achieving the above object, the present invention is a steel plate feed roll fixedly installed on the first base disposed on the bottom and the second base vertically installed on the top; And,
First and second solution tanks installed on the third and fourth bases respectively installed in front and rear of the first base and filled with a coating solution;
The first driving cylinder installed vertically on the second base is connected to the sixth base which is moved up and down, the motor is connected, and the second immersion roll partially immersed in the second solution tank and the steel plate conveyed with the second immersion roll. And a second coating roll for coating a solution, and a first immersion roll and a first immersion roll installed in a fifth base connected to the sixth base and being moved up and down and connected to a motor and partially immersed in the first solution tank. A steel sheet coating unit each having a first coating roll for contacting the conveyed steel sheet to coat a solution; And,
First and second adjustment rolls which are connected to the second driving cylinders installed on the third and fourth bases and are moved back and forth to adjust adhesion strength with the first and second immersion rolls;
By providing a solution coating apparatus of the surface of the steel sheet to be made uniform coating including.

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

Figure 2 is a perspective view showing a solution coating device of the surface of the steel sheet to uniform coating according to the present invention, Figure 3 is an exploded perspective view showing a solution coating device of the steel plate surface to uniform the present inventors, Figure 4 The present invention is a view showing the operating state of the solution coating apparatus on the surface of the steel sheet to uniform coating.

Figure 2 shows the overall configuration of the solution coating device (1) of the steel plate surface for uniform coating according to the present invention, the solution coating device (1) of the steel plate surface of the present invention is largely the steel sheet feed roll (10) 20 and the solution bath 30, 40 and the steel sheet coating portion 70, and the adjustment rolls (80a, 80b) can be divided into the components of the present invention (10, 20) Looking at (30) (40) (70) (80a) (80b) in more detail as follows.

First, FIGS. 2 and 3 show the steel sheet conveying rolls 10 and 20 of the solution coating apparatus 1 of the steel sheet surface of the present invention, but the steel sheet conveying rolls 10 and 20 of the present invention are as follows. A first base 12 and a first base 12 disposed at the bottom of a factory using the apparatus 1 of the present invention, ie, a coating solution such as a chromium solution to increase the surface corrosion resistance of the steel sheet. It is fixedly installed on the second base 22, which is integrally installed and installed vertically at the top of the central portion of the.

That is, as shown in FIG. 3, the support plate is fixed to a portion of the first feed roll 10 which is recessed inwardly of the first base 12, and the roll shaft portion is attached to the bearing block B provided on the support plate. It is supported and installed to be idling, and the second feed roll 20 is similarly supported on the bearing block B at the upper end of the second base 22 to be idling.

Therefore, the upper surface of the steel sheet 2 to be conveyed is in close contact with the first conveying roll 10, the lower surface of the steel sheet 2 is in close contact with the second conveying roll 20 to the first and second conveying roll ( 10) Since the steel sheet 2 is conveyed in a state having a free fall width between the 20 and the first and second conveying rolls are rotated while being in close contact with both surfaces of the steel sheet 2, When coating the chromium solution, it is stably transported.

Next, FIGS. 2 and 3 show the first and second solution tanks 30 and 40 of the solution coating apparatus 1 of the steel sheet surface of the present invention. 30 and 40 are horizontally connected and fixed between the third and fourth bases 32 and 42 installed vertically on both sides of the first base 12 at the front and rear, respectively. The first and second solution tanks 30 and 40 are filled with a solution coated on a steel sheet, for example, a chromium solution.

In this case, although not shown in the drawings, the first and second solution tanks 30 and 40 are connected to a supply pipe for supplying a solution and a drain pipe for draining them with valves.

Next, FIG. 2 and FIG. 3 show the steel sheet coating portion 70 of the solution coating device 1 of the steel sheet surface according to the present invention, the steel sheet coating portion 70 of the present invention, the second The first and second immersion rolls 50a and 50b and the first and second coating rolls 60a, which are rotatably installed on the fifth and sixth bases 52 and 62 installed to move up and down along the base 22. 60b).

In this case, the first and second immersion rolls 50a and 50b are disposed on the fifth and sixth bases 52 and 62 so as to be immersed in the first and second solution tanks 30 and 40, respectively. The first and second coating rolls 60a and 60b are adhered to the first and second immersion rolls 50a and 50b to coat the bottom and top surfaces of the steel sheet 2 to be in close contact with each other. It plays a role.

As shown in FIG. 3, the fifth and sixth bases 52 and 62 are connected to each other, and the sixth base 62 is provided on sidewalls of the second base 22. The guide groove 62a through which the bar 22a passes is integrally formed, and at the same time, the first drive cylinder 24 vertically mounted on the second base 22 is connected to the sixth base 62. .

That is, the first driving cylinder 24 is vertically installed on the sixth base 62, and the fixing block 24a installed in the second base 22 is connected to the body of the first driving cylinder 24. When the first drive cylinder 24 is driven, the sixth base 62 is inserted into and supported by the guide bar 22a by the fixed second base 22. To move vertically.

Of course, although not shown in the drawings, guides perpendicular to both sides of the sixth base 62 may be provided to more stably maintain the vertical movement of the sixth base 62, and the first driving cylinder 24 may be used. It is also possible to install the inside of the first base 12 to drive in the vertical direction opposite to FIG. 2 to move the sixth base 62 up and down.

Next, FIGS. 2 and 3 show the first and second adjustment rolls 80a and 80b of the solution coating apparatus 1 of the steel sheet surface of the present invention, and the first and second adjustment rolls of the present invention ( 80a) and 80b are installed to move forward and backward on the upper end portions of the third and fourth bases 32 and 42, and are closely attached to the first and second immersion rolls 50a and 50b according to the driving thereof, and the degree of closeness thereof is adjusted. As a result, as shown in FIG. 4, the amount of solution buried in the first and second immersion rolls 50a and 50b is adjusted to adjust the amount of coating coated on the steel sheet 2.

On the other hand, as shown in Figure 3, the first and second adjustment rolls (80a, 80b), the second drive cylinder 82 horizontally installed on the third, fourth base (32, 42) is The rod of the drive cylinder 82 passes through the support block 82a provided on the base 32 and 42 while being connected to the bearing block B supporting the roll to rotate the second drive cylinder ( The first and second immersion rolls 80a and 80b move forward and backward as the 82 is driven.

At this time, although not shown in the drawings, the bearing block (B) is to move along the guide installed in the third, fourth base 32, 42, the first and second adjustment rolls (80a) (80b) It will be preferable to move before and after can be made stable.

Meanwhile, as shown in FIG. 3, the first and second immersion rolls 50a and 50b and the first and second coating rolls 60a and 60b and the first and second adjustment rolls 80a and 80b are While the shaft portions of the rolls are rotatably assembled between the bearing blocks B provided on the respective bases, the roll shaft portions passing through the one bearing block B are schematically illustrated in the drawings, but on the respective bases. Motors M installed horizontally as fixed plates are connected to one side of the bearing block B, so that the first and second immersion rolls, the first and second coating rolls, and the first and second adjustment rolls move when the motor is driven. And rotational drive at the same time.

At this time, the important is the rotation direction of the motor (M), as shown in Figure 4, the first adjustment roll (80a) is counterclockwise, the first immersion roll (50a) is clockwise, the first coating roll ( 60a is rotated counterclockwise to coat the solution on the upper surface of the steel sheet 2, on the contrary, the second coating roll 60b is clockwise, the second immersion roll 50b is counterclockwise, and the second adjustment roll ( 80b) rotates in a clockwise direction to coat the solution on the bottom of the steel sheet 2, and is made of a configuration that facilitates the progress of the steel sheet (2).

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

As shown in Figure 2 to 4, when coating a coating solution such as chromium solution on the surface to increase the corrosion resistance of the steel sheet, while preventing the contamination of the surrounding environment by the coating solution and the worker damage, The solution coating apparatus 1 of the steel plate surface which makes the coating of this invention uniformly adjusted to the width direction of the steel plate is as follows.

First, as shown in Figure 4b, the apparatus 1 of the present invention is a transfer path of the steel sheet 2, the first and second coating rolls (60a, 60b) proceeds before the coating operation of the actual steel sheet Located slightly away from the, only when performing the chromium solution coating operation of the actual steel sheet, as shown in Figure 4a, the first and second coating rolls (60a, 60b) is in close contact with it, and the first The second and second immersion rolls 50a and 50b which are immersed in the solution tanks 30 and 40 to substantially transfer the coating solution to the steel sheet side are raised to perform coating of the steel sheet.

That is, as shown in FIGS. 3 and 4, when the first driving cylinder 24 on the second base 22 installed vertically on the first base 12 is lifted up, it is connected to the second base 24. While the fixed fifth and sixth bases 52 and 62 are integrally raised, the first and second immersion rolls 50a and 50b installed on the fifth and sixth bases 52 and 62 and The first and second coating rolls 60a and 60b are integrally raised to coat the upper and lower surfaces of the steel sheet 2 that are refracted and conveyed through the first and second transfer rolls 10 and 20, respectively.

In this case, as shown in FIG. 4, when the second driving cylinder 82 horizontally installed on the upper portions of the third and fourth bases 32 and 42 is advanced, the first driving unit 82 is connected to the front of the driving cylinder 82. The second adjustment rolls 80a and 80b are advanced to the first and second immersion rolls 50a and 50b and are in close contact with each other.

Therefore, the first and second immersion rolls 50a and 50b are buried in the first and second immersion rolls 50a and 50b according to the strength of the first and second adjustment rolls 80a and 80b. The amount of solution present is adjusted, which in turn causes the amount of coating to be coated on the steel sheet 2 to be adjusted.

As a result, according to the solution coating apparatus 1 on the surface of the steel sheet of the present invention, there is no contamination due to the scattering of the solution, compared with the conventional spraying the coating, the coating amount adjustment is also performed uniformly in the width direction of the steel sheet Therefore, the solution coating operation such as chromium solution for improving the corrosion resistance of the steel sheet can be performed more effectively.

Thus, according to the solution coating apparatus of the surface of the steel sheet to uniform the coating of the present invention, the solution uniformly in the width direction of the steel sheet when coating the chromium solution for finally improving the corrosion resistance of the steel sheet on the surface of the finished steel sheet product By coating the coating is to effect the uniformity of the coating to improve the quality of the steel sheet product.

Therefore, when the solution coating of steel sheet, the solution does not fly around to prevent contamination of the workplace and equipment by the solution and safety accidents of the workers in advance, and does not require post-treatment work to treat the edges of the steel sheet. An excellent effect of improving the overall surface coating workability of the steel sheet.

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 (4)

A steel plate feed roll 10 and 20 fixedly installed on the first base 12 disposed on the bottom and the second base 22 installed vertically on the top thereof; First and second solution tanks 30 and 40 installed on the third and fourth bases 32 and 42 respectively installed at the front and rear of the first base 12 and filled with a coating solution; The second immersion roll installed in the sixth base 62 which is connected to the first drive cylinder 24 vertically installed on the second base 22 and moved up and down, and the motor M is connected and partially immersed in the second solution tank. A second coating roll 60b contacting the 50b and the second immersion roll and the steel sheet 2 to be transported to coat the solution, and a fifth base 52 connected to the sixth base and moved up and down. And a motor (M) connected to each other and having a first immersion roll (50a) partially immersed in the first solution tank and a first coating roll (60a) for contacting a steel plate conveyed with the first immersion roll to coat the solution. Steel plate coating 70; And, The first and second adjustment rolls 80a to which the second driving cylinders 82 installed on the third and fourth bases 32 and 42 are connected and moved back and forth to adjust the adhesion strength with the first and second immersion rolls. 80b; Solution coating device on the surface of the steel sheet is made uniform coating including The shaft of claim 1, wherein the first and second dip rolls 50a and 50b, the first and second coating rolls 60a and 60b, and the first and second adjustment rolls 80a and 80b are respectively formed in the shaft portions. It is assembled to a bearing block (B) installed on the base of the motor, the motor (M) is connected to one side of the shaft portion of the rolls, The steel sheet feed rolls 10 and 20 are assembled to the bearing block B installed on the first and second bases 12 and 22 and rotated. The guide groove (62a) through which the guide bar (22a) provided on the side wall of the second base 22 passes through the sixth base (62) to which the first drive cylinder (24) is connected. Solution coating apparatus of the surface of the steel sheet, characterized in that formed as The bearing block of claim 1, wherein the first and second adjustment rolls 80a and 80b are connected to the second drive cylinders 82 horizontally disposed on the third and fourth bases 32 and 42. Solution coating apparatus of the steel plate surface, characterized in that the roll shaft is assembled to (B)

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