KR101167051B1 - Roller elevating device in saw tilting table for a rolled steel - Google Patents

Roller elevating device in saw tilting table for a rolled steel Download PDF

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Publication number
KR101167051B1
KR101167051B1 KR20100094528A KR20100094528A KR101167051B1 KR 101167051 B1 KR101167051 B1 KR 101167051B1 KR 20100094528 A KR20100094528 A KR 20100094528A KR 20100094528 A KR20100094528 A KR 20100094528A KR 101167051 B1 KR101167051 B1 KR 101167051B1
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South Korea
Prior art keywords
tilting table
roller
cutting
rolled material
cylinder chamber
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KR20100094528A
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Korean (ko)
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KR20120032952A (en
Inventor
문상필
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현대제철 주식회사
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Priority to KR20100094528A priority Critical patent/KR101167051B1/en
Publication of KR20120032952A publication Critical patent/KR20120032952A/en
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Publication of KR101167051B1 publication Critical patent/KR101167051B1/en

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  • Mechanical Engineering (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller elevating device of a tilting table for cutting a rolled material, wherein a cylinder chamber is formed inside the body, a piston is mounted in the cylinder chamber, and the cylinder chamber is pneumatically lifted to lift the piston. By raising and lowering the roller of the tilting table, the stroke is kept constant during the lifting and lowering of the roller to prevent the phenomenon from being pulled to one side during the transportation of the product, and effectively maintaining the squareness when cutting the product.

Description

ROLLER ELEVATING DEVICE IN SAW TILTING TABLE FOR A ROLLED STEEL}

The present invention relates to a roller lifting device of a tilting table for cutting a rolled material, and more particularly, the stroke is kept constant during the lifting (UP-DOWN) of the roller to prevent the phenomenon to be pulled to one side during product transfer, when cutting the product The present invention relates to a roller elevating device of a tilting table for cutting a rolled material to effectively maintain a squareness.

In general, the rolling process is a process in which iron is made of steel sheet or wire rod, and rolling is stretched by a continuous force in the process of passing through a plurality of rollers in which slabs, blooms, billets, etc. produced in a continuous casting process are rotated. Or thin forming process.

The rolling includes hot rolling at high temperature and cold rolling at low temperature.

Hot rolling has the advantage that the rolling power may be small, and the large deformation can be easily performed, and the rolled material can be given the same properties as the forged product.

Cold rolls, on the other hand, can be made very thin, provide good dimensional accuracy and clean surfaces.

An object of the present invention is to maintain a constant stroke during the lifting and lowering of the roller in the cutting process of the rolled material is prevented from being pulled to one side during product transfer, the roller of the tilting table for cutting the rolled material that can effectively maintain the squareness when cutting the product It is to provide a lifting device.

Roller lifting device of the first embodiment according to the present invention for achieving the above object is formed a plurality of first grooves on the upper surface, the bottom formed with a first pore for discharging the air to be compressed from the outside into the first groove plate; A plurality of head members placed on the first groove in contact with the bottom plate to form a first cylinder chamber, and having a first hole formed on an upper surface thereof; A first horizontal portion and a first vertical portion projecting vertically from the first horizontal portion and installed in the first cylinder chamber, and when air flows into the first cylinder chamber, an end portion of the first vertical portion extends from the first hole. A plurality of first pistons protruding; And a first sealing member installed at end portions of the first vertical portion to contact the roller of the tilting table for cutting the rolled material, and when the first vertical portions protrude, push the roller to protrude above the tilting table. .

The roller lifting apparatus of the second embodiment according to the present invention has a second cylinder chamber therein, a second hole is formed in the upper portion, and a second pore for introducing air compressed from the outside into the second cylinder chamber in the lower portion. Formed body; A second horizontal portion and a second vertical portion projecting vertically from the second horizontal portion, and installed in the second cylinder chamber, and when air flows into the second cylinder chamber, an end portion of the second vertical portion is removed from the second hole. Protruding second piston; And a second sealing member installed at an end of the second vertical portion to contact the roller of the tilting table for cutting the rolled material, and when the second vertical portion protrudes, pushes the roller to protrude onto the tilting table.

According to the present invention, the stroke is kept constant during the lifting and lowering of the roller to prevent the phenomenon of pulling to one side during the product transfer, it is possible to effectively maintain the squareness when cutting the product.

1 is a view showing a state in which the roller lifting device of the first embodiment of the present invention is installed under the roller of the tilting table for cutting the rolled material.
2 is a perspective view showing the roller lifting apparatus of the first embodiment of the present invention.
3 is a cross-sectional view showing the roller lift apparatus of the first embodiment of the present invention.
4 is a view showing a state in which the roller lifting device of the first embodiment of the present invention is extended.
5 is a cross-sectional view showing the roller lift apparatus of the second embodiment of the present invention.

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

1 is a view showing the roller lifting device of the first embodiment of the present invention is installed under the roller of the tilting table for cutting the rolled material, Figure 2 is a perspective view showing the roller lifting device of the first embodiment of the present invention, Figure 3 is the present invention It is sectional drawing which shows the roller lifting apparatus of 1st Example of the above.

4 is a view showing a state in which the roller lifting device of the first embodiment of the present invention is extended.

As shown in the figure, the roller lifting apparatus of the first embodiment of the present invention is located under the roller 1 of the tilting table for cutting the rolled material, and the pneumatic pressure is raised and raised so that the roller 1 floats on the table, and the bottom plate 110 ), The head members 120, the first pistons 130, and the first sealing member 140.

The bottom plate 110 has a plurality of first grooves 111 formed on an upper surface thereof, and a first pore 113 is formed therein for discharging air that is compressed from the outside into the first grooves 111.

The first groove 111 forms a gap from the bottom plate 110 so that the first pistons 130 may be pneumatically applied.

As shown in the drawing, the first pores 113 may be formed to branch to each first groove 111 from one inlet.

The first pore 113 is connected to, for example, a compressor or the like through a hose or a pipe to introduce compressed air.

The head members 120 form a cylinder that opens only a lower surface thereof, and the opened lower surface is placed on the first groove 111 to contact the bottom plate 110 to form a first cylinder chamber 121 therein.

First holes 123 are formed on upper surfaces of the head members 120 to communicate inside and outside of the first cylinder chamber 121.

The first pistons 130 have a U-shape consisting of a first horizontal portion 131 and a first vertical portion 132 protruding vertically from the first horizontal portion 131.

The first pistons 130 are installed in the first cylinder chamber 121 of the head members 120 such that an end portion of the first vertical portion 132 protrudes from the first hole 123.

As a result, when the compressed air flows into the first groove 111 through the first pore 113 and the air flows into the first cylinder chamber 121, the first horizontal portion 131 rises due to pneumatic pressure. As a result, the first vertical portion 132 protrudes from the first hole 132.

The first sealing member 140 is installed at the ends of the first vertical portion 132 protruding from the first hole 123 to be in contact with the roller 1.

The first sealing member 140 may be provided between the ends of the first vertical portion 132 and at the ends of the first vertical portion 132 forming an outer shell to be in contact with the roller 1.

Alternatively, the first sealing member 140 may be provided with holes formed through the ends of the first horizontal portion 131 in one plate and sandwich the ends of the first horizontal portion 131 in the holes. .

The first vertical portion 132 effectively forms a jaw to put the first sealing member 140 on the upper side.

When the first sealing member 140 is pneumatically applied and the first vertical portions 132 are protruded from the first hole 123, the roller 1 is pushed up to protrude onto the tilting table, thereby smoothly rolling the rolled material onto the tilting table. To be conveyed.

When the rolled material is transferred to the tilting table, air pressure is interrupted by blocking the air pressure, and the weight of the roller 1 and the load of the rolled material on the first pistons 130 and the weight of the first pistons 130 are eliminated. By the first pistons 130 are lowered, the air of the first cylinder chamber 121 is discharged to the exhaust port 125 equipped with a sintered silencer so that the first pistons 130 can be lowered.

The exhaust port 125 is formed in the head member 120 so that the first cylinder chamber 121 communicates with the outside so that the air of the first cylinder chamber 121 can be lowered by the weight of the first pistons 130. Discharge.

The sintered silencer serves to reduce the air burst sound generated when the high-pressure air is blown out through the air outlet 125.

As such, when the first pistons 130 are lowered, the roller 1 is also lowered into the tilting table, and the rolling table is pressed by the pressing plate 3 to keep the tilting table flat, thereby smoothly cutting.

Due to this structure, the stroke is kept constant during the lifting and lowering of the roller 1, thereby preventing the phenomenon of pulling to one side during the product transfer, and effectively maintaining the squareness when cutting the product.

Meanwhile, first wear-rings 171 and 173 are provided on the inner wall surface of the first hole 123 and the first horizontal portion 131 of the first piston 130.

The first wear ring members 171 and 173 accurately guide the operation of the first piston 130.

Furthermore, the first wear ring members 171 and 173 prevent contact between the inner wall of the first hole 123 and the first vertical portion 132, and the inner wall of the first cylinder chamber 121 and the first horizontal portion 131. To prevent wear due to friction.

In addition, the first dust blocking chamber member 175 having a first inclined protrusion 175a in contact with the first vertical portion 132 of the first piston 130 is formed around the first hole 123 of the head member 120. Is installed.

The first dust blocking chamber member 175 blocks dust or the like from flowing between the first hole 123 and the first piston 130.

In addition, between the head member 120 and the first sealing member 140, the first wrinkle tube member 181 is stretched in length is provided.

The first pleated tube member 181 blocks a gap between the head member 120 and the first sealing member 140 to block the inflow of dust and the like and to prevent objects from being caught.

In addition, the first horizontal member 131 of the first piston 130 is provided with a first packing member 183 for maintaining airtightness. U-packing may be used as the first packing member 183.

In addition, the first guide rod 193 is inserted into the first cylindrical body 191 from the support plate 110 on all sides of the head member 120 and fixed to the first sealing member 140 on the first cylindrical body 191. ) To guide the lifting of the first sealing member (140).

5 is a cross-sectional view showing the roller lift apparatus of the second embodiment of the present invention.

As shown in the figure, the roller lifting device of the second embodiment of the present invention has only one cylinder chamber, and the overall structure is similar to the roller lifting device of the first embodiment. This will be briefly described.

The roller elevating device of the second embodiment of the present invention includes a body 210, a second piston 220, and a second sealing member 230.

The body 210 has a second cylinder chamber 211 therein, a second hole 213 is formed in the upper portion in contact with the inside and outside of the second cylinder chamber 211, the lower air to be compressed from the outside Second pores 215 are formed to flow into the second cylinder chamber 211.

A second groove 217 is formed at the bottom of the second cylinder chamber 211 to form a gap from the second horizontal portion 221 of the second piston 220.

The second piston 220 has a U-shape consisting of a second horizontal portion 221 and a second vertical portion 223 vertically protruding from the second horizontal portion 221, and has an end portion of the second vertical portion 223. Is installed in the second cylinder chamber 211 of the body 210 so as to protrude from the second hole 213, when air flows into the second cylinder chamber 211 through the second pores 215, the second horizontal portion As the 221 rises, the second vertical portion 223 protrudes from the second hole 213.

The second sealing member 230 is installed at the end of the second vertical portion 223 of the second piston 220 protruding from the second hole 213 to be in contact with the roller 1, and the second piston 220 may be made of the second piston 220. When the vertical portion 223 protrudes out of the second hole 213, the roller 1 is pushed up to protrude above the tilting table.

For this reason, the rolled material is smoothly transferred onto the tilting table.

When the rolled material is transferred to the tilting table, the pneumatic pressure is removed by blocking the air feeding, and the second pistons 220 are lowered by their own weight, and the air in the second cylinder chamber 211 is sintered. It is discharged to the installed exhaust port 241.

Due to this structure, the stroke is kept constant during the lifting and lowering of the roller 1, thereby preventing the phenomenon of pulling to one side during the product transfer, and effectively maintaining the squareness when cutting the product.

Meanwhile, second wear-ring members 271 and 273 are provided on the inner wall surface of the second hole 213 and the second horizontal portion 221 of the second piston 220.

In addition, a second dust blocking chamber member 275 is provided around the second hole 213 so that the second inclined protrusion 275a contacts the second vertical portion 223 of the second piston 220.

In addition, between the body 210 and the second sealing member 230, a second wrinkle tube member 281 is stretched in length is provided.

In addition, a second packing member 283 is installed on the second horizontal portion 221 of the second piston 220 to maintain airtightness.

In addition, reference numerals 291 and 293 represent a second cylindrical body and a second guide rod for guiding the lifting and lowering of the second sealing member 240.

1: roller 3: pressure plate
110: bottom plate 111: first groove
113: first pore 120: head member
121: first cylinder 123: first hole
125: exhaust port 130: first piston
131: first horizontal portion 132: first vertical portion
140: first sealing member 171, 173: first wear ring member
175: first dust blocking chamber member 181: first pleated tube member
183: first packing member 191: cylindrical body
193: guide rod 210: body
211: second cylinder chamber 213: second hole
215: second hole 217: second groove
220: second piston 221: first horizontal portion
223: second vertical portion 230: second sealing member
241: exhaust vent 271, 273: second wear ring member
275: second dust barrier chamber member 281: second wrinkle tube member
283: second packing member 291: second cylinder
293: second guide rod

Claims (11)

A bottom plate having a plurality of first grooves formed on an upper surface thereof, the bottom plate having first pores formed therein for discharging air compressed from the outside into the first grooves;
A plurality of head members placed on the first groove in contact with the bottom plate to form a first cylinder chamber, and having a first hole formed on an upper surface thereof;
A first horizontal portion and a first vertical portion projecting vertically from the first horizontal portion and installed in the first cylinder chamber, and when air flows into the first cylinder chamber, an end portion of the first vertical portion extends from the first hole. A plurality of first pistons protruding; And
And a first sealing member installed at ends of the first vertical portion to contact the roller of the tilting table for cutting the rolled material, and when the first vertical portions protrude, push the roller to protrude onto the tilting table.
Roller lifting device for tilting table for cutting rolled material. The method of claim 1,
And a first wear ring member is further provided on the inner wall surface of the first hole and the first horizontal portion of the first piston. The method of claim 1,
And a first dust blocking chamber member having a first inclined protrusion contacting the first vertical portion of the first piston is further provided around the first hole in the head member. The method of claim 1,
The first elevating tube member is further provided between the head member and the first sealing member, the roller lifting device of the tilting table for cutting the rolled material. The method of claim 1,
The roller lifting device of the tilting table for cutting the rolled material is further provided with a first packing member for maintaining airtightness in the first horizontal portion of the first piston. A body having a second cylinder chamber therein, a second hole formed at an upper portion thereof, and a second hole formed at a lower portion thereof for introducing air compressed from the outside into the second cylinder chamber;
A second horizontal portion and a second vertical portion projecting vertically from the second horizontal portion, and installed in the second cylinder chamber, and when air flows into the second cylinder chamber, an end portion of the second vertical portion is removed from the second hole. Protruding second piston; And
A second sealing member installed at an end of the second vertical portion to contact the roller of the tilting table for cutting the rolled material, and when the second vertical portion protrudes, pushes the roller to protrude onto the tilting table.
Roller lifting device for tilting table for cutting rolled material. The method of claim 6,
The inner wall surface of the second hole of the body and the second horizontal portion of the second piston is further provided with a second wear ring member, the roller lifting device of the tilting table for cutting the rolled material. The method of claim 6,
And a second dust blocking chamber member having a second inclined protrusion in contact with a second vertical portion of the second piston is provided around the second hole in the body. The method of claim 6,
The second elevating tube member is further provided between the body and the second sealing member, the roller lifting device of the tilting table for cutting the rolled material. The method of claim 6,
The bottom of the second cylinder chamber is further provided with a second groove for forming a gap from the second horizontal portion of the second piston, the roller lifting device of the tilting table for cutting the rolled material. The method of claim 6,
The second horizontal member of the second piston is further provided with a second packing member for maintaining the airtight, the roller lifting device of the tilting table for cutting the rolled material.
KR20100094528A 2010-09-29 2010-09-29 Roller elevating device in saw tilting table for a rolled steel KR101167051B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20100094528A KR101167051B1 (en) 2010-09-29 2010-09-29 Roller elevating device in saw tilting table for a rolled steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20100094528A KR101167051B1 (en) 2010-09-29 2010-09-29 Roller elevating device in saw tilting table for a rolled steel

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KR20120032952A KR20120032952A (en) 2012-04-06
KR101167051B1 true KR101167051B1 (en) 2012-07-27

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CN103480695B (en) * 2013-09-22 2015-05-13 太原重工股份有限公司 Lifting roller device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002263723A (en) 2001-03-09 2002-09-17 Daiwa Steel Corp Roller table unit, roller table for continuous rolling and method for continuously rolling metallic material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002263723A (en) 2001-03-09 2002-09-17 Daiwa Steel Corp Roller table unit, roller table for continuous rolling and method for continuously rolling metallic material

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