KR100815991B1 - Device for removing swarf in strip grinding cabin - Google Patents

Abstract

An object of the present invention is to remove the microchips, such as the swarf or abrasive stone stuck to the groove or grinding belt formed in the tension roll and the contact control directly in the cabin, dust collecting by collecting the fine swarf generated during the swap removal operation inside the cabin The present invention provides an apparatus for removing internal swarf of a polishing cabin, which can prevent fine swarf from being introduced into the apparatus.

Accordingly, the present invention, the moving means for moving the blocking plate installed on both sides of the polishing belt inside the polishing cabin to the left and right with respect to the polishing belt, and located at the bottom of the blocking plate between the polishing belt or the polishing belt and billy roll Inside the dust collecting duct through a removal unit including a spraying means for selectively spraying oil, a guide rail vertically installed on one side of the dust collecting duct at the rear end of the polishing cabin, and a slit which is raised and lowered along the guide rail and formed in the dust collecting duct. A polishing cabin including a screen for charging and removing fine swarf, a vertical cylinder mounted on the guide rail and connected to the screen for lifting and lowering the screen, and a collecting unit including cleaning means for removing the fine swarf from the screen. Internal swap removal device is provided.

Guide Rail, Barrier Block, Horizontal Cylinder, Screen, Vertical Cylinder, Swarf Receptacle

Description

Device for removing swarf in grinding cabin {Device for removing swarf in strip grinding cabin}

1 is a perspective view showing a typical strip polishing cabin,

2 is a perspective view schematically showing an internal swab removal apparatus of a strip polishing cabin according to the present invention;

3 and 4 are partial details of FIG. 1 in accordance with the present invention.

Explanation of symbols on the main parts of the drawings

10: guide rail 11: drive roll

12: horizontal cylinder 20: injection pipe

21: injection nozzle 22: air pipe

23: oil pipe 30: guide rail

31 screen 32 vertical cylinder

33: air pipe 34: swab receiving

35: transfer screw

The present invention relates to a strip grinder for polishing a strip that has undergone a stainless annealing pickling process, and more particularly, to an internal swap removal device of a polishing cabin which is capable of removing foreign substances such as swarf and abrasive stones, etc. It is about.

In general, the pickled coil removes defects on the surface of the strip and polishes the surface to meet the demands of the consumer.In the polishing operation, the defect generated on the surface of the strip is removed by using a polishing belt rotating at high speed. Strip grinder is used.

As shown in FIG. 1, the strip grinder is provided with a billy roll 110 in which a strip is placed in the lower part of the grinder cabin 100, and has a contact control unit 120 which is a driving shaft on the strip placed on the billy roll 110. The tension roll 130 is installed, and the contact control 120 and the tension roll 130 have a structure in which the polishing belt 140 is applied to polish the strip that proceeds.

In addition, the cabin 100 is provided with a blocking plate 150 which is vertically lowered along the outer side of the polishing belt 140 from the cabin upper, so that the swarf generated during polishing splashes in all directions to lower the quality of the product. It is to prevent.

These strip grinders are usually rotated at a high speed of more than 1200RPM for grinding, so they are sprayed with abrasive oil to reduce frictional heat and improve the rate of polishing. In order to ensure that the bearing is always lubricated, the grinder cabin is sprayed with mist in the form of mist.

Accordingly, the inside of the cabin generates a swarf or abrasive stone mixed with coolant oil used for polishing and fine chips polished from the strip and adheres to the polishing belt, the tension roll, and the contact surface.

The foreign matter remaining in the cabin acts as a cause of fire or deterioration of product quality inside the cabin.

That is, the swarf and the abrasive stone are sparked by friction by the polishing belt rotating at high speed, and the generated sparks are scattered in the polishing cabin, so that mist oil is ignited to generate a fire in the cabin.

Therefore, in order to prevent poor polishing and fire, a worker frequently performs a stack swap removal after a facility stop, which is a very complicated and time-consuming problem.

In addition, there is a problem that the fine swarf is sucked into the dust collecting device in the air injected to remove the accumulation swap, causing poor dust collection and secondary fire.

Accordingly, the present invention has been made to solve the above problems, the polishing cabin that can remove the microchip, such as the swarf or abrasive stone stuck to the grooves or polishing belt formed in the tension roll and the contact control directly in the cabin The purpose of the present invention is to provide a device for removing the internal swap.

In addition, the present invention is another object of the present invention to provide an internal swab removal apparatus of the polishing cabin which can prevent the fine swarf from entering the dust collector by collecting the fine swap generated during the swap removal operation in the cabin. .

The polishing cabin internal swab removal apparatus of the present invention for achieving the above object is provided in the interior of the polishing cabin, the removal unit for injecting air and oil for swarf and fine chip removal, and in the dust collecting duct at the rear end of the polishing cabin. It is installed includes a collecting unit for collecting the fine swarf flowing into the dust collector through the dust collecting duct.

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

1 is a perspective view showing a typical strip polishing cabin, Figure 2 is a perspective view schematically showing the internal swab removal apparatus of the strip polishing cabin according to the present invention, Figures 3 and 4 are the Partial detail view.

According to the above-described drawings, the strip grinder is a contact control which is a drive shaft positioned on the billy roll 110 placed under the strip 100 entered into the cabin 100 and the cabin 100 and on the strip placed on the billy roll 110. It comprises a 120 and a drive motor for rotating the contact control, the tension roll 130 is installed on the base of the upper contact control, the polishing belt 140 spanning the contact control and the tension roll.

In addition, the cabin 100 is provided with a blocking plate 150 which is vertically lowered along the outer side of the polishing belt 140 from the cabin upper, so that the swarf generated during polishing splashes in all directions to lower the quality of the product. It is to prevent.                     

The present invention is installed on the blocking plate 150 of the cabin 100 and is placed in the polishing belt 140 in the width direction to remove the swarf and fine chips by spraying air or oil in the cabin 100 and It is installed on one side of the dust collecting duct 160 at the rear end of the cabin 100, and includes a collecting unit for collecting the fine swarf introduced into the dust collecting duct 160 during operation of the removal unit.

The removal unit is a moving means for moving the blocking plate 150 to the left and right with respect to the polishing belt 140, and is located at the bottom of the blocking plate 150, the polishing belt 140 or the polishing belt 140 and the billy roll ( And injection means for selectively injecting air or oil therebetween.

That is, the blocking plate 150 of the present invention is moved to the left and right sides of the cabin 100, the gap is widened or narrowed, the moving means for this is a guide rail that is installed in the transverse direction on the outside of the cabin 100 ( 10) and the driving roll 11 is coupled to the top of the blocking plate 150 through the slit formed in the cabin 100 along the guide rail 10, the guide rail 10, the lower side of the cabin 100 It is installed in the horizontal and connected to the blocking plate 150 therein comprises a horizontal cylinder 12 for moving the blocking plate 150.

Preferably, the horizontal cylinder 12 is installed on both sides of the cabin 100 corresponding to the edge of the blocking plate 150 to connect with the blocking plate 150 so that the blocking plate 150 can move while maintaining the vertical state. do.

In addition, the injection means is the injection pipe 20 is installed on the lower end of the blocking plate 150, the injection nozzle 21 is installed along the injection pipe 20 is sprayed air or oil 21, the injection pipe 20 Air pipe 22 for supplying air by communicating with one end, solenoid valve installed on one side of air pipe 22, oil pipe 23 for supplying oil by communicating with the other end of the injection pipe 20, and oil The pipe 23 includes a solenoid valve installed on one side.

Therefore, by selectively opening and closing the solenoid valve of the oil pipe 23 or the air pipe 22, it is possible to inject oil or air through the injection nozzle 21.

Here, the oil pipe 23 and the air pipe 22 need to be variable in length depending on the left and right movement of the blocking plate 150, for this purpose, the oil pipe 23 and the air pipe 22 are respectively Kevin side And the airtight and the oil pipes 23 between the injection pipes 20 on the side of the cabin 100 are combined to maintain the airtightness by packing and the like so that the corrugated pipes are stretched to have a length. It is possible to compensate, preferably the air pipe 22 and the oil pipe 23 is a multi-pipe structure to the inner pipe is a sliding structure to the outer pipe.

On the other hand, the collecting unit is loaded into the dust collecting duct 160 through the guide rail 30 that is installed vertically on one side of the dust collecting duct 160 and the slits formed along the guide rail 30 and formed in the dust collecting duct 160. From the screen 31 for filtering the fine swap, a vertical cylinder 32 for raising and lowering the screen 31 connected to the screen 31 and connected to the screen 31, and from the screen 31. And cleaning means for removing the fine swarf.

As shown in FIG. 3, the guide rail 30 is installed in the width direction above the dust collecting duct 160, and the screen 31 has the same size as the dust collecting duct 160 to completely cover the inside of the dust collecting duct 160. It can be covered.

The cleaning means is installed on one side of the guide rail 30 in the width direction, a plurality of air pipes 33 having a spray nozzle formed thereon to spray air on the front of the screen 31, and the air from the screen 31 as a starting point. Installed on the opposite side of the pipe 33 is installed on the bottom of the swab receiving 34, the swarf receiving 34 for receiving the fine swapping dropping, for the rotation of the transfer screw 35 and the transfer screw 35 for conveying and discharging the swap A drive motor 36 is included.

Here, the air pipe 33 is installed on the opposite side of the dust collecting direction, the swab receiving 34 extends to the upper guide rail 30, the swarf dropped from the screen 31 is passed beyond the swab receiving 34 To prevent it.

Hereinafter will be described the operation of the present invention.

When the polishing operation is started, the strip is polished by the polishing belt 140 rotating at a high speed while traveling between the polishing belt 140 and the billy roll 110 that spans the contact control 120 and the tension roll 130. .

At this time, the solenoid valve of the oil supply oil pipe 23 is opened to supply oil to the injection pipe 20, and the supplied oil is supplied to the polishing belt through the injection nozzle 21 installed in the injection pipe 20. 140) and is injected between the strip to increase the polishing efficiency and at the same time to cool the strip.

When the swap generated in the polishing process is accumulated in the cabin 100, the operator operates the switch for removing the swap to start the swap cleaning operation inside the cabin 100.                     

Accordingly, the horizontal cylinder 12 installed on the side of the cabin 100 is contracted to move the blocking plate 150 connected to the piston rod end of the horizontal cylinder 12 to the outside of the polishing belt 140.

The blocking plate 150 is placed on the guide rail 10 installed in the cabin 100 via the driving roll 11, so that when the horizontal cylinder 12 is contracted and operated, the driving roll 11 guides the guide rail 10. Rolling along the gap between the blocking plate 150 will be widened.

And the solenoid valve of the oil pipe (23) of the air pipe (22) and the oil pipe (23) connected to the injection pipe (20) installed on the blocking plate 150 is closed to close the oil pipe (23) The solenoid valve of the air pipe 22 is opened to open the air pipe 22.

Therefore, the air supplied through the air pipe 22 is injected through the injection nozzle of the air pipe 22 to remove the swarf accumulated in the polishing belt 140 or between the polishing belt 140 and the billy roll 110. Will be.

On the other hand, when the above-described swap removal operation is started, the screen 31 installed in the dust collecting duct 160 is lowered into the dust collecting duct 160 to perform the fine swap removal operation.

That is, with the solenoid valve actuated, the vertical cylinder 32 installed on the guide rail 30 extends and lowers the screen 31 connected thereto. The screen 31 is lowered along the side of the guide rail 30 to be charged into the dust collecting duct 160 through the slit, and in this state, the fine swarf included in the fume discharged through the dust collecting duct 160 is formed on the screen. (31) is caught.                     

Therefore, only the fume from which the fine swarf is removed can enter the dust collector.

When the removal of the stack swap is completed, the horizontal cylinder 12 is stretched again to collect the open blocking plate 150 back to its original position.

As the blocking plate 150 returns to its original position, the solenoid valve installed in the air pipe 22 is closed to block the supply of air, and the vertical cylinder 32 is contracted to raise the screen 31 to the original position. do.

When the screen 31 is fully raised and exposed to the outside of the dust collecting duct 160, the valve installed at one side of the air pipe 33 is opened to inject air to the front of the screen 31 through the injection nozzle installed at the air pipe 33. Done.

The fine swarf that has been caught on the screen 31 by the air injected in this way is dropped off the screen 31 and dropped, and the dropped swarf is collected on the swab receiving 34 located opposite the air pipe 33.

Then, the discharge treatment is carried out along the transfer screw 35 installed on the bottom of the swab receiver 34.

As described above, according to the apparatus for removing internal swarf of the polishing cabin according to the present invention, it is possible to shorten the time for removing the swarf and other foreign matter accumulated in the cabin, and to perform an efficient removal operation.

In addition, the proper removal of swarf and microchips has the additional effect of preventing fire inside the cabin and improving product quality.

Claims (4)

Moving means for moving the blocking plate installed on both sides of the polishing belt inside the polishing cabin from side to side with respect to the polishing belt, and positioned at the bottom of the blocking plate to selectively inject air or oil between the polishing belt or the polishing belt and the billy roll. A removal unit for removing the swarf and the microchips in the polishing cabin; The guide rail is installed vertically on one side of the dust collecting duct at the rear end of the polishing cabin, and is mounted on the screen and the upper guide rail to be charged into the dust collecting duct through the slits formed on the dust collecting duct. A collecting unit for collecting and processing the fine swarf introduced into the dust collector through the dust collecting duct, including a vertical cylinder connected to the screen to lift the screen up and down, and cleaning means for removing the fine swarf from the screen. Internal swap removal device of the polishing cabin comprising a. According to claim 1, The moving means is a guide rail installed in the transverse direction on the upper portion of the cabin, the driving roll coupled to the top of the blocking plate through the slit placed on the guide rail along the guide rail, cabin side The horizontal swab removal apparatus of the polishing cabin, characterized in that it comprises a horizontal cylinder for horizontally installed at the bottom and connected to the internal block plate to move the block plate. According to claim 1, wherein the injection means is the injection pipe which is installed in the rear end of the blocking plate, the injection nozzle is arranged along the injection pipe and the air or oil is injected, the one end of the injection pipe is in communication with the air supply to supply air Air pipe, a solenoid valve installed on one side of the air pipe, an oil pipe for supplying oil in communication with the other end of the injection pipe, and a solenoid valve installed on one side of the oil pipe separately from the solenoid valve installed on the air pipe. Internal swarf removal apparatus of the polishing cabin comprising a. According to claim 1, wherein the cleaning means is installed in the width direction on one side of the guide rail and a plurality of air pipes having a spray nozzle is formed so as to inject air to the front of the screen, and is installed on the opposite side of the air pipe starting from the screen An apparatus for removing internal swarf of a polishing cabin, comprising: a swab receiving device for receiving a fine swarf dropped out; and a driving screw for rotating the conveying screw and a conveying screw for conveying and discharging the swarf.

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