KR100841768B1 - An Apparatus Eliminating Extraneous Gel on the Surface of Sink Roll - Google Patents

Abstract

The present invention relates to an apparatus for removing foreign matter gel attached to a sink roll in a steel plate plating process of a steel mill. The present invention relates to a device for removing foreign substances (rolled oil, dust, foreign substances, rust, etc.) generated by the reaction of an alkaline solution.

The present invention provides a steel plate plating apparatus, comprising: a foreign substance generation removal roll which interviews an upper end portion of a sink roll to remove a foreign substance gel on the surface of the sink roll; A motor a connected to the right end of the roll shaft and the universal joint of the foreign substance generating roll to drive the foreign substance generating roll; It is installed on the left and right ends of the roll shaft of the foreign material generation removal roll, characterized in that consisting of a clearance control unit for adjusting the roll nip gap between the foreign material generation removal roll and the sink roll.

Foreign body removal roll, sink roll, flexible shaft cover, clearance adjustment part

Description

An Apparatus Eliminating Extraneous Gel on the Surface of Sink Roll}

1 is a cross-sectional conceptual view showing that a quality defect is generated by a pretreatment foreign body gel in a conventional pretreatment working tank.

2a is a cross-sectional view of the device according to the invention.

2B is a side cross-sectional view of the figure 2A.

3A is a plan view of the flexible shaft cover 22.

3B is a cross-sectional view of the flexible shaft cover 22.

3C is a perspective view of the flexible shaft cover 22.

3D is a perspective view and cross-sectional view of the stepping motor 20 peripheral device.

 ♠ Explanation of the symbols for the main parts of the drawings ♠

One; Pretreatment HCT tank 2; Pretreatment ECT tank 3; Linson Working Tank

4; Pretreatment supply piping 5; Overflow piping 6; Drain Valve

7; Pretreatment circulation tank 8; Rinse circulation tank 9; Grater

10; Sink roll 11; Alkaline solution gel 12; Foreign material bending mark

13; Foreign body roll mark 14; Electric grid 15; Conversion roll

17; Covering a 18; Cylinder a 19; Bracket a

20; Stepping motor 21; Bearing block a 22; Flexible shaft cover

23; Universal joint 24; Axis a 25; Motor a

26; Motor b 27; Bearing block b 28; Stepping shaft

29; Axis b 30; Axis c 31; Roll axis

32; Bearing block c 33; Hole 34; Gear block

40; Foreign body removal roll 41; A housing 42; Ring cover

43; Limiting.

The present invention relates to an apparatus for removing foreign matter gel attached to a sink roll in a steel plate plating process of a steel mill. The present invention relates to a device for removing foreign substances (rolled oil, dust, foreign substances, rust, etc.) generated by the reaction of an alkaline solution.

In other words, in the pretreatment alkali process, the rolling oil and iron powder are removed by the chemical cleaning method to remove contaminants such as rolling oil and iron residues remaining on the STRIP surface after cold rolling, and fine rolling oil on the STRIP surface by the floating force of GAS by the electrical cleaning action. And iron is removed, and the steel plate is charged with positive (+) and negative (-) to form an emulsion on the surface of the plate by positive (+): oxidation reaction and negative (-): reduction reaction. When water is generated as it is oxidized and contaminants are removed by oxygen gas generation / reduction of hydrogen and hydrogen ions, pretreatment alkaline solution foreign body gel produced during the reaction with fatty oil or acid component (GEL type) ) Has high viscosity and adsorbs various foreign substances (rolled oil, dust, foreign substance, rust, etc.) and becomes a reaction product which is a high viscosity substance such as gum. This occurs until the phenomenon of agglomeration and the solidification gradually occurs over time. As shown in FIG. 1, when the steel sheet 9 of the same dimension is continuously worked, an alkaline solution foreign material gel is applied to the lower sink roll 10. (11) is thinly bit by bit, and as time passes, it forms a band on the inner and outer interfaces where the steel plate (9) contacts, and the outer side of the alkaline solution foreign material (11) continues to be contacted and gradually solidifies. The phenomenon occurs when the wider working than the existing working dimension there is a problem that the foreign material bending mark 12, foreign material roll line mark 13 is generated to cause product quality defects. In order to solve this problem, in particular, in the plating line for producing automobile exterior materials, the work schedule is narrowly worked in a wide range, and after the work is finished, the line stops for a while and then goes down to the sink roll 10 to clean the roll. Or to clean the roll by spraying the upper part of the sink roll 10 with a water spray device having a strong pressure. The gel 11 has a problem in that product quality defects such as the foreign material bending mark 12, the foreign material roll mark 13 and the like.

The present invention was devised to solve the above problems in the prior art, and installs a foreign matter generation removal roll on the top of the sink roll, which removes foreign matters by the function of the flexible shaft cover and the action of the stepping motor and the peripheral device. Adjust the roll to the sink roll at a constant pressure to rotate it so that the alkali solution foreign gel does not adhere to the sink roll, and when the line is idle, give the sink roll and the foreign substance removal roll and a slight gap to give the rotational speed. Differently, the purpose is to make the sink roll cleaning work possible by spraying the washing water while speeding up the rotational speed of removing the foreign substances.

In order to achieve the above object, the present invention is a steel plate plating apparatus, the foreign material generation removal roll for removing foreign matter gel on the surface of the sink roll by interviewing the upper end of the sink roll; A motor a connected to the right end of the roll shaft and the universal joint of the foreign substance generating roll to drive the foreign substance generating roll; It is installed on the left and right ends of the roll shaft of the foreign material generation removal roll, characterized in that composed of a clearance control unit for adjusting the roll nip gap between the foreign material generation removal roll and the sink roll.

In addition, in the present invention, the play control unit, the shaft cover is fixed to the outside of the left and right side walls of the pre-treatment ETC tank, and the bearing block a rotatably connected to the roll shaft at the end of the shaft cover, the bearing block a and its A stepping shaft connected to the upper gear block so as to be rotatable, and a cylinder a connected upwardly from the side of the gear block;

The universal joint is connected between the small shaft b and the shaft c to absorb the flow of the roll shaft,

The gear block is characterized in that a stepping motor is installed to control the rotational speed of the foreign material removal removal roll compared to the nip pressure and the sink roll rotational speed of the sink roll and the foreign matter generation removal roll.
Hereinafter, with reference to the drawings will be described in detail a preferred embodiment according to the present invention.
FIG. 2A is a cross-sectional view of the device according to the present invention, FIG. 2B is a side cross-sectional view of the FIG. 2A figure, FIG. 3A is a top view of the flexible shaft cover 22, FIG. 3B is a cross-sectional view of the flexible shaft cover 22, and FIG. 3C is a perspective view of the flexible shaft cover 22, and FIG. 3D is a perspective view and a cross-sectional view of the peripheral device of the stepping motor 20.

As shown in Figures 2a to 3d, in the present invention, the covering a (17) is bolted fixedly connected to one plate of the pretreatment ECT tank (2) in a state where the rubber seal is fitted, and the bearing block b (27) is located at the upper side of the middle. Bolting fixed connection. One shaft of the sink roll 10 is fitted in the middle of the bearing block b (27), and the shaft opposite to the sink roll 10 is connected to the coupling via the other plate of the pretreatment ECT tank (2) by a bearing block. Is connected to the motor b 26, which is located above the bottom frame. The foreign substance generation removal roll 40 is located on the top of the sink roll 10, and one of the edges of one of the edges is formed on the bearing block a through the hole 33 of the flexible shaft cover 22 and the bearing block c 32. The flexible shaft cover 22 is bolted and fixed to the plate of the pretreatment ECT tank 2 while the rubber seal is fitted, and the bearing block c 32 is fixedly connected to the flexible shaft cover 22 by bolting. The housing 41 is fixedly connected to the upper end of the bearing block a 21, and the limiter 43 is fitted between the holes of the upper end of the housing 41. The limiter 43 is connected to the stepping shaft 28, which is connected to the gear block 34, and the gear of the gear block 34 is connected to the shaft and the stepping motor 20, and inside the ring cover 42. The stepping shaft 28 is located in the hole. The ring cover 42 is bolted fixedly connected to the housing 40 and the gear block 34 is fixedly connected to the bracket a 19, which is fixedly connected to the cylinder a 18, which is fixedly connected to the bracket frame. The opposite shaft of the foreign material removal roll 40 is configured in the same manner as the above configuration, and the opposite roll shaft is connected to the coupling after passing through the bearing block a (21), which is the shaft b (29), the universal joint (23), and the shaft c ( 30), the coupling, the motor shaft, which is connected to the motor a (25), which is configured to be connected to the positioning bracket mainframe.

When the device of the present invention is operated, the gear block 34 and the stepping shaft 28 are operated by operating the stepping motor 20 after closing the cylinder a 18 while the sink roll 10 rotates during line operation. The nip pressure of the sink roll 10 and the foreign substance generation removal roll 40 to the stepping motor 20 in a state in which the foreign substance generation removal roll 40 is closed by the sink roll 10. Adjust to give a nip pressure of about 5 ~ 50kg and also drive the roll rotation speed of the foreign matter generation removal roll 40 5 ~ 30mpm faster than the sink roll 10, alkali solution foreign matter gel (top) 11) is not attached to the sink roll 10 and the foreign matter generation removal roll 40 is applied to the pressure across the width and presses and rotates at a high speed so that the foreign matter gel (11) attaching and the action to prevent the generation of streaks. Close and open operation of the foreign substance generation removal roll 40 by the operation of the cylinder a 18 and the stepping motor 20. It is made by the flexible action of the flexible shaft cover 22. When the line work is stopped, the stepping motor 20 is adjusted to adjust the nip pressure to zero (0) and open the cylinder a (18). Operation completes the operation of the inventive device.

According to the present invention, by adjusting the foreign matter generation roll to the sink roll by the function of the flexible shaft cover and the operation of the stepping motor and peripheral devices to enable the operation of the foreign matter removal roll installed in the upper end of the sink roll By pressing and rotating, the alkali solution does not stick to the sink roll, and when the line is idle, it gives a proper gap between the sink roll and the debris removal roll to change the rotational speed to make the debris removal roll faster. By spraying the washing water, the sink rolls can be imported automatically, which improves work efficiency and prevents safety accidents.It also has the effect of preventing product quality defects such as foreign material bending marks and foreign material roll marks. .

Claims (4)

In the steel plate plating apparatus, A foreign substance generation removal roll 40 for interviewing the upper end of the sink roll 10 to remove the foreign substance gel on the surface of the sink roll 10; A motor a 25 connected to the right end of the roll shaft 31 and the universal joint 23 of the foreign substance generation removing roll 40 to drive the foreign substance generation removing roll 40; It is installed on the left and right ends of the roll shaft 31 of the foreign material generation removal roll 40, respectively, characterized in that it consists of a clearance control unit for adjusting the roll nip gap between the foreign material generation removal roll 40 and the sink roll (10) Foreign body gel removal device on sink roll surface The method according to claim 1, The play control unit is fixed to the outside of the left and right side walls of the pre-treatment ETC tank (2) and the shaft cover 22 surrounding the roll shaft 31, and is rotatably connected to the roll shaft 31 at the end of the shaft cover 22 A bearing block a (21), a stepping shaft (28) connected rotatably with the bearing block (a) 21 and the gear block (34) thereon, and a cylinder connected upwardly from the side of the gear block (34). Foreign body gel removal device on the surface of the sink roll, characterized in that consisting of a (18) The method according to claim 1, The universal joint 23 is connected between the small shaft b (29) and the shaft c (30) to absorb foreign matter gel removal device on the surface of the sink roll, characterized in that to absorb the flow of the roll shaft (31) The method according to claim 2, Stepping motor to control the nip pressure of the sink roll 10 and the foreign matter generation removal roll 40 and the rotation speed of the foreign matter generation removal roll 40 to the rotation speed of the sink roll 10 to the gear block 34 Foreign body gel removal device on the surface of the sink roll, characterized in that 20 is provided

Images