KR20030009951A - Apparatus for removing powder on surface of roll - Google Patents

Abstract

PURPOSE: An apparatus for automatically removing powder on the surface of a roll is provided to effectively crush and remove powder generated in a plating line when manufacturing a cold rolled strip for automobile or home appliances that is adhered onto an earth roll of a welding machine. CONSTITUTION: The apparatus for automatically removing powder on the surface of the roll comprises a frame(10) that is radially and movably arranged on an earth roll; a driving part(40) comprising first driving means(20) which is mounted on the frame(10) so that the first driving means(20) is driven by rotary power of the earth roll, and second driving means(30) which is rotationally installed on the frame(10) by being belt connected to the first driving means(20); a powder crushing part(50) comprising crushing elements(52) which are installed at one side of the frame(10) so that the crushing elements(52) are vertically moved by the second driving means(30), and which crush powder stuck to the surface of the roll; a powder removal part(70) comprising first cleaning means(72) which is installed at the other side of the frame(10) so that the first cleaning means(72) is rotated by the first driving means(20), and which removes crushed powder; and a powder collecting part(80) comprising second cleaning means(84) which is mounted on the lower part of a base(82) that is vertically moved to one side of the first cleaning means(72), and the lower part of which is closely adhered onto the surface of the roll to secondly remove powder, and a dust collecting duct(86) which is installed at both sides of the base(82) to collect the removed powder using air.

Description

Automatic powder removal device on roll surface {APPARATUS FOR REMOVING POWDER ON SURFACE OF ROLL}

The present invention is carried out in the electroplating process of manufacturing a steel sheet used in automobile steel sheets or home appliances by performing electroplating according to the user's request when manufacturing cold rolled steel sheet of the steel mill (EARTH ROLL) The present invention relates to an automatic powder removal apparatus for a roll surface to effectively remove fine powder that tends to adhere to the surface of the roll.

As shown in FIG. 1, generally, a steel sheet for automobiles or electronics manufactured in a manufacturing process of a cold rolled steel sheet is subjected to an electroplating process. When the plating solution in the plating cell is evaporated and the powder P of the component solidified on the plated steel sheet 100 passing through the plating cell falls on the steel sheet 100, the steel sheet 100 is collected in the dust collector 110. It will be removed as it passes through.

However, since the powder P dropped on the steel sheet 100 through the dust collector 120 is difficult to be completely collected and removed, some of the powder P is ground along the steel sheet 100 before welding (W). The roll 120 is conveyed to the surface of the earth roll 120, and since the dent S is easily formed on the surface of the earth roll 120 due to edge breakage of the steel sheet or other causes, the powder P, which is not collected, is removed from the earth roll ( It is stuck to the dent (S) of 120 to agglomerate over time to generate surface defects such as dents (DENT) or scratches of the steel sheet.

As a result, in order to remove the powder coagulum formed in the ground roll 120, the operation of the line is stopped, and the operator has to manually remove the powder coagulum by using sandpaper or a separate mechanism, thereby increasing the operation rate of the line. Not only is this deterioration, there is a problem in that it is impossible to completely remove the powder and thus lower the product quality of the steel sheet.

Therefore, it would be desirable to provide an apparatus capable of completely removing the powder adhered to the earth roll without the manual labor of the operator because it improves the productivity and the quality of the steel sheet.

The present invention has been made in order to improve the various problems as described above, the object of the operator, even if the powder generated in the plating process in the manufacture of high-quality cold-rolled steel sheet, such as for automotive or home appliances stuck to the earth roll before welding The present invention provides an automatic powder removal apparatus for a roll surface that prevents line breaks and the like and automatically eliminates surface defects of the steel sheet, thereby further improving the production productivity of the cold rolled steel sheet.

1 is a schematic perspective view for explaining the fine powder on the surface of the conventional earth roll

Figure 2 is a schematic front view showing the overall configuration of the automatic powder removal device of the roll surface according to the present invention

Figure 3 is a plan view showing the inventors powder removal apparatus

Figure 4 shows the crushed portion of the present invention powder removal apparatus,

(a) is a front structural diagram showing the overall configuration

(b) an exploded perspective view

(c) is a state of assembly

Figure 5 is a perspective view of the drive unit and the powder removal unit of the inventors powder removal apparatus

Figure 6 shows the powder dust collector of the present inventors powder removal apparatus,

(a) is a side view showing the overall configuration

(b) a perspective view of the main part

(c) is the main

Explanation of symbols on the main parts of the drawings

1 .... powder remover 10 .... frame

14 .... lower frame 20 .... first drive means

30 .... Second drive means 40 .... Drive part

50 .... powder shredding 52 .... shredding

70 .... Powder removal unit 72 .... First cleaning means

80 .... Powder Dust Collector 82 ... Bass

84 .... The second cleaning means 86 .... Dust collection duct

The present invention as a technical configuration for achieving the above object, the apparatus for removing the powder solidified on the surface of the earth roll during electroplating, the frame disposed to move radially of the earth roll;

A driving unit having a first driving means mounted on the frame and driven by a rotational force of an earth roll, and a second driving means connected to the belt and rotating on the frame;

A powder crushing unit provided on one side of the frame to move up and down as the second driving means and having a crushing piece to crush the adhered powder on the roll surface; and

A powder removal unit having a first cleaning means installed on the other side of the frame to rotate as the first driving means to remove crushed powder; And,

Second cleaning means mounted on the lower part of the base moving up and down to one side of the first cleaning means and the lower end is in close contact with the roll surface to remove the powder secondary, and the removed powder as air to the both sides of the base Powder dust collecting unit having a dust collecting duct to be installed; by providing a fixed powder automatic removal device of the roll surface consisting of.

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

Figure 2 is a schematic front view showing the overall configuration of the automatic powder removal apparatus of the roll surface according to the present invention, Figure 3 is a plan view showing the powder removal apparatus of the present invention, Figure 4 shows a crushed portion of the powder removal apparatus of the present invention 5 is a perspective view illustrating a driving unit and a powder removing unit of the present invention powder removing apparatus, Figure 6 is a view showing a powder dust collecting unit of the present invention powder removing apparatus.

Figure 2 shows the overall configuration of the automatic powder removal device 1 of the present invention roll surface, such a device of the present invention is largely frame 10, drive unit 40 and powder crushing unit 50 And powder removal unit 70, and may be divided into a powder dust collecting unit 80, each of the components 10, 40, 50, 70, 80 will be described in more detail as follows.

First, the frame 10 is shown in FIGS. 2 and 3, but the frame 10 used in the apparatus 1 of the present invention is schematically illustrated in the drawing but connected to the main cylinder 12. A lower frame 14 is bent along the circumference of the earth roll 2 to the lower side of the earth roll 10 so that the frame 10 can be operated in the radial direction of the earth roll 2 during the operation of the main cylinder 12. It is disposed above the earth roll 2 so as to move closer to the main surface.

Next, FIGS. 2 and 5 show the drive part 40 of the apparatus 1 of the present invention, which drive part 40 is further divided into a first drive means 20 and a second drive means 20. The first driving means 20 is mounted on the frame 10 to be driven by the rotational force of the earth roll 2, and the first driving means 20 is the lower frame 14. It is mounted rotatably between bearings (not shown) between the vertical stand 22 installed vertically on both sides in the width direction of the earth roll (2) to one side of the), the circumferential surface of the earth roll (2) and It is made of a driving roll in close contact and integrally driven.

3 and 5, the second drive means 30 is the first drive means, that is, the pulley 34 provided on the shaft portion of the drive roll 20 and the pulley provided on the shaft end ( 34 are installed to rotate on the frame 10 as a belt B fastened therebetween, and the second driving means 30 are respectively installed at both sides of the lower frame 14 in front and rear thereof. It consists of a drive cam is installed on the drive shaft 32 and the drive roll 32 is connected to the van.

That is, as shown in Figure 5, the drive cam 30 is fixed to both ends of the drive shaft 32 fixed through the bearing block at a certain height in the lower frame 14, the amount of the drive shaft 32 At the end, the pulley 34 described above is fixed and connected to the pulley 34 of the driving roll 20, and the pair of driving cams 30 is positioned on the lower frame 14 in front and rear, respectively. Accordingly, when the driving roll 20 is in close contact with the ground roll 2 and the driving force of the ground roll 2 is transmitted, the driving cam 30 is also integrally rotated and driven.

Next, FIGS. 2, 4, and 5 illustrate the shredding unit 50. The shredding unit 50 is one side of the frame 20 as the second driving unit 30. It is provided so that it may move, and the crushing piece 52 which grinds the fixed powder P of the roll 10 surface is provided.

That is, the crushed piece 52 of the crushed portion 50 is fixed to the end of the body 56 and the bolt 56 is fixed to the end of the connecting link 54 connected to the support shaft 54a provided on the lower frame 14 It is installed on the bottom of the pusher 62 is installed between the lower cover 58 which is supported as a guide rod (60a) between the lower cover 58 is in close contact with the surface of the earth roll (2) through the lower cover 58 The scotch bright 58a is fixed to the lower cover 58 supporting the crushed piece 52 so that the crushed piece 52 can be stably crushed.

And, as shown in Figure 4a, the body 56 and the lower cover 58 is fixed via a spring 59 through the connecting block 57, the spring 59 is installed to act as a buffer Will be.

By the way, as shown in Figure 5, the support shaft 54a is installed to move to the left and right a predetermined length, the cylinder 55a provided to the outer side of the lower frame 14 of the support shaft 54a It is connected to the square part 55c provided in the both ends and supported as the block 55b provided in the both sides of the lower frame 14. As shown in FIG.

Therefore, as shown in FIGS. 3 and 5, since the plurality of connecting links 54 are connected to the single support shaft 54a and the crushing unit 50 is installed, the cylinder 55a is moved forward or backward. When it is retracted, the support shaft 54a itself is moved so as to variably adjust the crushing position of the crushing piece 52. The connecting link 54 has an end thereof as the joint 54b to the support shaft 54a. Will be connected.

4 and 5, the connecting link 54 is in close contact with the moving plate 62 moving by the operation arm 64 is punched as the second drive means (30) The piece 52 is comprised so that powder may be removed while punching the roll surface.

In addition, when looking at the operation arm 64 in more detail, the movable plate 62 is punched on the punching surface 54c installed on the connection link 54, the movable arm 62 is the operating arm 64; ), The lower end of the operation arm 64, the upper end of the operation arm 64, that is, the guide roll 64a that is repeatedly moved up and down during the rotation operation of the drive cam 30 is installed, the operation arm 64 is elastically supported via a spring 64b in a fixing block 66 installed in the lower frame 14.

In addition, the connection link 54 is fixed on the support (54b), which is fixed on the support shaft (54a) through a spring (68b) in the lower part for elastic operation when punched by the operation arm (64) have.

Next, FIGS. 2 and 3 illustrate the powder removing unit 70. The powder removing unit 70 is rotated as the first driving unit 30 to the other side of the frame 10. A first cleaning means 72 is provided for removing the crushed powder.

On the other hand, the first cleaning means 72 of the powder removing unit 70 is rotatably installed on one side of the drive roll 20 provided on the vertical stand 22 on the lower frame 14, the earth roll (2) It is configured as a brush roll for removing the fixed powder removed from the crushing portion 50 in contact with the surface of the), the driving force is the first driving means, similar to the second driving means, that is, the driving cam 30 That is, the pulley 34 to which the belt B fastened to the pulley 34 installed on the shaft portion of the driving roll 20 is fastened to the brush roll 72 as the first cleaning means, and thus the driving roll 20 When the rotation of the integrally driven to remove the surface powder of the earth roll (2).

Next, FIG. 2 and FIG. 6 show a powder dust collecting part 80 for collecting the powder P which is crushed as the crushed piece 52 and removed as the brush roll 72. Such powder dust collecting part 80 is shown in FIG. A second cleaning means 84 mounted on a lower portion of the base 82 moving upward and downward to one side of the brush roll 72, that is, the lower cleaning portion is in close contact with the roll surface, and secondly removing the powder; A dust collecting duct 86 is provided on both sides of the base 82 to collect powder as air.

As shown in FIG. 6A, the base 82 is a cylinder 82a installed vertically on both sides of the earth roll 2 so as to be moved upward and downward from the upper side of the earth roll 2. The cover 82c is provided, wherein the second cleaning means 84 is fixed to the bottom of the base 82 in an inverted triangle shape so as to be in close contact with the surface of the earth roll 2 when the base is lowered. It consists of a scraper to remove.

6A and 6C, the scrapers 84 are fixed to the fixing block 84a fixed to the bottom of the base 82, and the position of the scrapers 84 is fixed to the ground roll 2. It is preferable to be arranged in an inverted triangle inclined to both sides about the center, since it facilitates dust collection of the powder.

On the other hand, one side of the scraper 84, the air nozzle 90 is installed at the end of the air pipe 88 connected through the base 82 is disposed to remove the powder dust on both sides of the base 82 as the air (86) The dust collecting duct 86 is formed with an opening 86a through which the powder P, which is collected as air, passes through the dust collecting duct 86, and a suction pipe 86b for treating the dust collected on one side of the dust collecting duct 86. This is made up of connected configurations.

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

As shown in FIGS. 3 to 6, when the earth roll 2 is driven, the driving roll 20, which is the first driving means in close contact therewith, rotates and is connected to the driving roll 20 as a belt B. The drive cam 30, which is the second drive means, is rotated integrally by the drive shaft 32 installed on the lower frame 14, and the brush roll 72 to be described below is integrally driven, and the drive roll ( The lower prearm 14 having the 20 installed therein moves integrally as the main cylinder (FIG. 2) connected to the upper frame 10 moves up and down, so that the driving roll 20 is the circumferential surface of the earth roll 2. It only drives when it comes in close contact with.

Next, as shown in FIGS. 2 to 4, when the driving cam 30 rotates, the operation arm 64 supported by the fixing member 66 of the lower frame 14 is lowered according to the shape of the cam. And the other end surface 54c of the connecting link 54 connected to the support shaft 54a installed on the lower frame 14 while the moving plate 62 disposed below the operation arm 64 is punched out. You will hit.

Therefore, the body 56 of the crushing portion 50 connected to the connecting link 54 is punched integrally, and eventually inside the lower case 58 connected as the fixing block 57 to the lower side of the body 56. The pusher 62 installed is punched out by the elastic force of the spring 60 fixed to the lower part of the body as the guide rod 60a. Subsequently, the shredding pieces 52 arranged on the bottom of the pusher 61 are the lower case 58. ) And the powder stuck to the surface of the earth roll 2 while being integrally punched in the state protruded through the scotch bright 58a.

At this time, it is important that as shown in Figure 3, the support shaft (54a) is disposed in front and rear, the support shaft (54a) a plurality of connecting links whose spacing is adjusted in accordance with the width of the earth roll (2) 54, the body 56 and the shredding piece 52 are connected to each other, so that the positions of the shredding pieces 52 are most effectively shredded at regular intervals on the front, rear, left and right sides, and the support shaft 54a. This makes it possible to move during the driving of the cylinder 55a to variably adjust the position of the shredding piece 52.

Next, as shown in FIGS. 4 and 5, when the powder is crushed as the crushing piece 52, the brush roll 72 which is the first cleaning means driven integrally with the driving roll 20 is an earth roll. The surface of 2) is precisely cleaned again.

The base 82 of the dust collector 80 is disposed on both sides of the earth roll 2 on the surface of the earth roll 2 on which the surface is cleaned as the brush roll 72. ) Is lowered, so that the scraper 82, which is the second cleaning means on the lower side of the fixing block 84a provided at the bottom of the base 82, is brought into close contact to clean the surface of the earth roll 2 to completely remove powder. will be.

At this time, the scrapers 82 are in an inverted triangle shape, the center portion of which is disposed at the forefront, and scrapers 82 which are inclined to both sides thereof are disposed so that the powder is collected on both sides of the base 82. The dust is collected through the opening 86a of FIG. 6. In particular, as shown in FIG. 6, an air nozzle 90 of the air pipe 88 is positioned at one side of each scraper 82.

Therefore, when air is injected through the air nozzle 90, since the spraying direction is directed toward the opening 86a portion of both dust collecting ducts 86, the powder finally removed is efficiently collected in the dust collecting duct 86. At the same time, the powder collected by the suction pipe 88 connected to the dust collecting duct 86 is processed.

Accordingly, since the surface bonding of the steel sheet due to the powder stuck to the surface of the conventional earth roll 2 is completely removed and collected by the apparatus 1 of the present invention, the quality of the steel sheet can be completely prevented. Since the improvement is made, as well as the powder cleaning in the second stage, the powder removal efficiency is high, in particular, the post-treatment of the removed powder can be performed at the same time.

Thus, according to the present invention, the automatic powder removal device on the roll surface, even when the powder generated in the plating process in the manufacturing of high-quality cold rolled steel sheet, such as for automobiles or home appliances, is automatically removed without the operator's manual work even if the powder is stuck to the earth roll before welding, It prevents interruption and does not cause surface defects of the steel sheet, thus providing an excellent effect of further improving the production productivity of the cold rolled 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 (5)

In the device for removing the powder solidified on the surface of the earth roll during electroplating, A frame 10 arranged to move radially of the earth roll 2; A first driving means 20 mounted on the frame 10 and driven by the rotational force of the earth roll 2 and a second driving means 30 connected to the belt so as to rotate on the frame 10. A driving unit 40; Powder crushing unit having a crushing piece 52 which is installed on the one side of the frame 20 so as to move up and down as the second driving means 30 and crushes the fixed powder P on the surface of the roll 10. 50; A powder removal unit 70 having a first cleaning means 72 installed on the other side of the frame 10 to be rotated as the first driving means 30 to remove crushed powder; And, The second cleaning means 84 is mounted to the lower portion of the base 82 that moves up and down to one side of the first cleaning means 72 and the lower end is in close contact with the roll surface to remove the powder secondary, and the removed powder is air Powder dust removal device of the roll surface, characterized in that consisting of; powder dust collecting portion 80 having a dust collecting duct 86 is installed on both sides of the base 82 so as to be collected The lower frame (14) according to claim 1, wherein the frame (10) is arranged to move radially of the earth roll (2) as a main cylinder (12) connected to the upper side, and the lower frame (14) curved along the circumference of the earth roll at the lower side. Equipped with The first driving means 20 of the driving part 40 is rotatably mounted between the vertical stands 22 provided on both sides of the lower frame 14, and its circumferential surface is in close contact with the earth roll 2. Made of a driving roll driven integrally, The second driving means 30, characterized in that consisting of a drive cam is installed on both sides of the lower frame 14 in front and rear thereof and installed on the drive shaft 32 is connected to the drive roll 20 and the van. Automatic powder removal device on roll surface The body 56 of claim 1, wherein the shredding piece 52 of the shredding portion 50 is fixed to an end portion of the connecting link 54 connected to the support shaft 54a provided on the lower frame 14. And installed in the bottom of the pusher 61 is installed between the lower cover 58 is bolted to the spring 60 via the lower cover 58 is configured to be in close contact with the surface of the earth roll (2) through the lower cover 58, The connecting link 54, the moving plate 62 which is moved by the operation arm 64 is punched as the second drive means 30 is in close contact with the crushed piece 52 is configured to crush the powder to be removed Automatic powder removal device on roll surface According to claim 1 or claim 2, wherein the first cleaning means 72 of the powder removal unit 70, rotatably to one side of the drive roll 20 on the vertical stand 22 on the lower frame (14). Automatically remove the powder on the roll surface, characterized in that consisting of a brush roll installed to remove the crushed powder in contact with the surface of the earth roll (2) The base 82 of the powder dust collecting part 80 is a cylinder 82a installed vertically on both sides of the earth roll 2 so as to be moved upward and downward from the earth roll 2. The second cleaning means 84 is composed of a scraper that is fixed to the bottom of the base 82 in an inverted triangular shape to be in close contact with the surface of the earth roll 2 when the base is lowered to remove powder, On one side of the scrapers 84, an air nozzle 90 is disposed to collect the removed powder as air into the dust collecting ducts 86 on both sides of the base 82. One side of the dust collecting duct 86, the powder automatic removal device of the roll surface, characterized in that the suction pipe (86b) for processing the dust collected powder is connected