KR20000012814U - Debris Removal Device for Rolls - Google Patents

Abstract

The present invention relates to a debris removal device of a roll configured to remove foreign substances such as scum, waste grease, and rust preventive agent from the surface of the roll and the bearing journal part after rolling in a rolling mill. A debris removal device of a roll for removing debris on the surface of a discharge apparatus, comprising: a driving unit for rotating the roll by a roller connected to an axis, and a washing liquid pumped from a washing liquid tank to a roll rotating by the driving unit in a discharge pipe; It comprises a washing unit for spraying the roll through the nozzle and the foreign matter removing unit for contacting the roll by the foreign matter removing spatula to drop the foreign matter on the surface.

According to the configuration and operation of the present invention as described above, according to various kinds of rolls having different diameters, the foreign matters on the surface of the roll and the stain on the surface of the roll are removed in a clean working environment in the housing without the need for additional personnel. It is easy to prevent the safety accidents, as well as to reduce the environmental pollution, it is provided with the effect of preventing the contamination of insulating oil and grinding oil or staining of the roll surface, infiltration of foreign matter in the bearing due to poor roll cleaning.

Description

Debris Removal Device for Rolls

The present invention relates to a debris removal device of a roll, and in particular, a debris removal device of a roll configured to remove debris, such as scum, waste grease, and rust preventive, from the surface of a roll and a bearing journal, which has been rolled out from a rolling mill. It is about.

1 is a working state diagram for explaining an example of a foreign material removal operation of the conventional roll, the surface of the roll after the rolling operation scum (grease), grease (grease), grit (grit), fine iron powder, rust inhibitor, etc. Foreign object is on.

If these foreign materials are left without being removed, stains may occur on the roll surface along with contamination of insulating oil and grinding oil during roll grinding, electric discharge machining, and short blasting processing, and may cause bearing damage due to the infiltration of foreign materials in the bearing during assembly of the bearing. Let's do it.

In order to remove the foreign matter of such a roll in the prior art ① the operator directly washing using a suitable cleaning means (mop, etc.) ② washing through a high pressure washer ③ the worker washing while rotating the roll on the grinding machine ④ as shown in Figure 1, While rotating the roll 14 through the roller 12 on the upper portion of the pedestal 10, the worker took a method such as washing using a mop.

However, the above methods require a lot of workers to wash a large number of rolls in the case of ①, thus causing an increase in labor costs. In the case of ②, the high pressure cleaner operator, a large work space, scattering of the washing liquid around the workplace, work There is a problem such as an increase in time.

In addition, in the case of ③, there is a risk of worker's safety disaster caused by the grinding machine or the rotating body, and in case of ④, the worker must rotate the roll 14 to wash the lower part of the roll 14, and the washing liquid 16 is disposed on the floor. This is scattered, there is a problem such as the additional personnel required to clean the roll (14).

The present invention was devised to solve the above problems, and is generated in the discharge machining, grinding processing, shot blast processing, roll bearing assembly, etc., by removing foreign substances on the roll surface in a clean working environment without the need for additional personnel. It is an object of the present invention to provide a foreign matter removing device of a roll that can prevent contamination of the roll surface and prevent contamination of foreign matters in a bearing, together with preventing contamination of the grinding oil and insulating oil.

1 is a working state diagram for explaining an example of a foreign material removal operation of the conventional roll,

Figure 2 is a plan view showing a foreign material removal device of a roll according to the present invention,

3 is a cross-sectional view taken along the line A-A of FIG.

4 is a cross-sectional view taken along the line B-B of FIG.

5 is a state diagram used in removing the foreign matter of the roll according to the present invention.

<Explanation of symbols for main parts of the drawings>

5a, 5b, 5c, 5d: roller, 6: discharge pipe,

7: nozzle, 8: spatula for removing foreign matter,

10: filter, 14: suction pipe,

15 axis, 18 washing liquid tank,

21: roll, 23: washing liquid

In order to achieve the above object, in the foreign matter removal apparatus of the roll for removing the foreign matter on the surface of the roll after the rolling operation, the drive unit for rotating the roll by a roller connected to the shaft, by the drive unit A roll including a washing unit for spraying the washing liquid pumped from the washing liquid tank to the roll through a nozzle of a discharge pipe on a rotating roll, and a foreign substance removing unit for contacting the roll with a foreign substance removing spatula to drop foreign substances on the surface There is provided a foreign material removal device of.

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

2 to 5 show an embodiment of the foreign matter removing device of the roll according to the present invention, the foreign matter removing device of the roll according to the present invention is largely divided into a driving unit for rotating the roll and the roll rotated by the driving unit It consists of a washing unit for spraying the washing liquid, and foreign matter removing unit for removing the foreign matter on the surface of the roll while contacting the roll.

As shown in FIGS. 2 to 4, four rollers 5a, 5b, 5c, and 5d for rotating the roll 21 are installed, and the rotation of the roller 5a connected to the shaft 15 is performed. By this, the roll 21 seated on the rollers 5a, 5b, 5c, and 5d is rotated.

The roller 5a connected to the gearbox 2 and the shaft 15 is connected to the motor 4 by the coupling 4 to prevent damage to the gearbox 2 and the motor 1 due to the deformation of the shaft 15. It is connected to the gear box (2) installed to strengthen the rotational force of the motor (1) at the bottom.

In addition, a bearing and a bearing block 3a are connected between the coupling 4 and the gearbox 2, and two bearings and a bearing block 3b are respectively provided on the rollers 5a, 5b, 5c, and 5d. , 3c, 3d, 3e, 3f, 3g, 3h, 3i are connected by the shaft 15, so that the rollers 5a, 5b, 5c, 5d are rotated.

The washing unit includes a washing liquid tank 18, a pump 13, a motor 12 and a pulley for operating the pump 13, and the pump 13 includes a suction pipe 14 and a discharge pipe 6. It is connected to the washing liquid tank 18 through).

In addition, the discharge pipe 6 is connected to the nozzle 7 is to be sprayed on the roll 21, the filter 10 for preventing the contamination of the washing liquid 23 is installed on the top of the washing liquid tank 18 It is.

The nozzle (7) is to be installed at intervals of 10 mm with a diameter of about 3ψ on a straight line of the pipe to facilitate the removal of foreign matter in the curved roll 21, such as the key groove, clamping groove, O-ring groove of the roll 21. Good.

In addition, a drain valve 20 is provided at the end of the nozzle 7 to adjust the injection amount of the washing liquid 23 according to the diameter of the roll 21 and to prevent the washing liquid 23 from scattering to the outside.

When the foreign matter removing unit is in contact with the surface of the roll 21 where the foreign matter removing spatula 8 rotates, in addition to the foreign matter first removed by the cleaning liquid 23, the foreign matter is deposited on the surface of the roll 21. To me.

Two small pipes 22b attached to the lower portion of the spatula 8 for removing foreign matter and serving as a support are inserted into a large pipe 22a attached to the intermediate separator 22, and the spatula 8 for removing foreign matter. Springs and spring guides 9a and 9b are assembled between the pipes so as to smoothly move the up and down linear motion according to the diameter of the roll 21.

On the other hand, the switch box 11 for supplying power to the foreign matter removing device of the roll according to the present invention is installed on one side of the housing 24, the switch box 11 is a motor operation switch (11a) and pump operation Each switch 11b is provided.

In the drawings, reference numerals 16a and 16b denote bearing and roller assembly stands, 17a, 17b and 17c (where 17d is not shown) are 'I' beams, and 19 is a tank outer wall.

Hereinafter, the operation of the present invention having the configuration as described above.

As described above, in order to remove various foreign matters on the surface of the roll 21 which has been rolled out by the rolling mill, the roller 5a in the housing 24 is moved to the roll 21 waiting to be ground using a crane or the like. 2b, 5c, 5d, and then rolls 21 through rollers 5a, 5b, 5c, and 5d by turning the motor 1 on, as shown in FIGS. Rotate).

In such a state, the surface of the roll 21 is formed by the spatula 8 for removing foreign matter in close contact with the surface of the rotating rollers 5a, 5b, 5c, and 5d by the force of the spring and the spring guides 9a and 9b. Scratches of solid scum, waste grease, and other foreign matter are scraped off, thereby reducing foreign material removal time, and the foreign matter removing spatula 8 is moved up and down according to the diameter of the roll 21.

Meanwhile, the motor 12 and the pump 13 are turned on by turning the motor operating switch 11a and the pump operating switch 11b of the switch box 11 to spray the washing liquid 23 onto the roll 21. In operation, the washing liquid 23 in the washing liquid tank 18 is pumped through the suction pipe 14 connected to the washing liquid tank 18 to flow along the discharge pipe 6, and the washing liquid (through the nozzle 7) 23) is evenly sprayed on the surface of the rotating roll 21 to wash the foreign matter.

In this way, various foreign substances on the surface of the roll 21 are primarily removed, and the washing liquid 23 sprayed on the roll 21 flows into the washing liquid tank 18 in a filtered state through the filter 10. do.

After the removal of foreign matter on the surface of the roll 21 is completed in this manner, the motor 1 is stopped to stop the rotation of the roll 21, and then the operator visually checks the state of the surface of the roll 21, and switches The motor operation switch 11a and the pump operation switch 11b of the box 11 are 'OFF'.

As described above, according to the present invention, it is easy to remove the foreign matter on the surface of the roll in a clean working environment in the housing according to the various types of rolls having different diameters, without the need for additional personnel, safety accident Of course, it is possible to prevent the pollution of the environment, and to prevent the contamination of insulating oil and grinding oil or staining of the roll surface due to the poor roll cleaning, and to prevent foreign matter from penetrating into the bearing.

In the above description, the technical idea of the apparatus for removing foreign matters of the roll according to the present invention has been described together with the accompanying drawings, which is illustrative of the best embodiment of the present invention and is not intended to limit the present invention.

In addition, it is obvious that any person skilled in the art can make various modifications and imitations without departing from the scope of the technical idea of the present invention.

Claims (1)

In the debris removal device of the roll to remove debris on the surface of the roll after the rolling operation, A driving unit for rotating the roll by a roller connected to the shaft, A washing unit for spraying the washing liquid pumped from the washing liquid tank onto the roll rotated by the driving unit to the roll through the nozzle of the discharge pipe; The debris removal device of the roll, characterized in that it comprises a debris removal unit for dropping the debris on the surface while contacting the roll by a debris spatula.