CN101979183A - Novel durable pulling and straightening roller - Google Patents
Novel durable pulling and straightening roller Download PDFInfo
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- CN101979183A CN101979183A CN 201010515110 CN201010515110A CN101979183A CN 101979183 A CN101979183 A CN 101979183A CN 201010515110 CN201010515110 CN 201010515110 CN 201010515110 A CN201010515110 A CN 201010515110A CN 101979183 A CN101979183 A CN 101979183A
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- swivel joint
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Abstract
The invention discloses a novel durable pulling and straightening roller. The roller consists of a roller body and a rotary joint, wherein the roller body is an integrated single body; at least one round hole is uniformly distributed at the periphery of the roller body; a round hole is also reserved in the centre of the roller; a water flowing passage communicated with the round hole in the centre is formed at both ends of the roller respectively; the plurality of round holes at the periphery are communicated with the round hole in the centre respectively; the rotary joint is arranged on the end part of the roller; a water inlet pipe is stretched into the round hole in the centre; a sealing ring for changing a waterway is also arranged between the water inlet pipe and the round hole in the centre; the roller body is the single body; water flowing holes are drilled at the periphery of the roller; and water of the rotary joint changes the waterway through the sealing ring. When working, the pulling and straightening roller is uniformly stressed; the surface of the roller is quickly and uniformly cooled; and the pulling and straightening roller is difficult to bend, distort and deform.
Description
Technical field
The present invention relates to a kind of novel durable straightening roller, be specially casting blank of continuous casting machine and make the durable straightening roller of long-life that the time spent adopts, belong to iron and steel metallurgical industry strand straightening technical field at straightening machine travel and aligning.
Background technology
In the iron and steel metallurgical industry, on the continuous casting steel machine production line, conticaster is used for the molten steel that blast furnace is produced is cast as solid shape.In crystallizer, liquid molten steel is the strand of solid shape by settable liquid under the acting in conjunction of crystallizer, fan-shaped section, secondary cooling zone with pouring molten steel in the cast mechanism of conticaster, and strand forms satisfactory strand under the traction of straightening machine and aligning effect.Smoothing roll is the vitals in the straightening machine, mainly contain two kinds on live-roller and free roller, live-roller and free roller cooperating are finished and are transmitted moment of torsion, strand is pulled out and push, transport function such as dummy bar, and roller adopts the chrome-molybdenum steel manufacturing, the water flowing cooling, cooling water enters and discharges by swivel joint, and the axle journal two ends are the aligning roller bearing, the bearing block water flowing, live-roller is connected with decelerator, transmits moment of torsion.Free roller and live-roller symmetry are installed, with the live-roller interoperation, and unpowered driving.The assembly structure figure of live-roller and free roller is respectively referring to accompanying drawing 1 and accompanying drawing 2.
Because the strand that smoothing roll is direct and red-hot contacts, roller and bearing block must be guaranteed good cooling, otherwise, the heat transmission of strand heat radiation and roller can make bearing temperature raise on the one hand, lubricating condition worsens, finally cause damage of bearings, resistance of billet withdrawal to increase, so that burn out motor, decelerator, make straightening machine cisco unity malfunction; Roll temperature raises on the other hand, mechanical performances such as the ultimate tension of steel, torsional yield strength, the yield strength limit all can reduce greatly, flexural deformation, torsional deformation, high-temerature creep even fracture can appear in roller, and straightening machine and even whole production line can not be worked.
Existing smoothing roll commonly used has two kinds of patterns usually.The roller of first kind of pattern is seen accompanying drawing 3, this roller is welded by steel plate 301, roller shell 302, axle 303, the hole that the interior pipe 304 of swivel joint inserts roller center, the flow direction of cooling water is shown in arrow among the figure, cooling water is entered by pipe in the swivel joint, goes into inlet opening 305 from the roller center orifice flow, enters the cavity between roller shell 302 and the axle 303, flow to the roller center hole through apopore 306 then, after outer tube 307 outflows of swivel joint.Chinese invention patent " full water-cooled roller and manufacture method thereof " (application number: 97108118.2, the applying date: 1997-06-19) and utility model patent " full water-cooled roller " (application number: 96235238.1, the applying date: 1996-07-06) be the said structure pattern; The roller of second kind of pattern such as Chinese utility model patent " sheet billet continuous casting straightening roller " (application number: 99238598.9, the applying date: 1999-09-27) with " two-way cooled sheet billet continuous casting straightening roller " (application number: 00230182.2, the applying date: 2000-06-16) described, it is to be processed with unidirectional or the bidirectional helical groove on straightening roller roll body surface, thread groove is equipped with sleeve pipe outward, constitutes for the unidirectional or two-way spirality tank that passes through of cooling water between sleeve pipe and the roll body thread groove.This version with the recirculated cooling water of roll body by core indirectly cooling make subsurface into and directly cool off, prevented effectively that the straightening roller is heated inequality and the phenomenon that cracks; The third sees accompanying drawing 4 for the roller that early uses, and this roller is solid forging.The hole that the interior pipe 401 of swivel joint inserts roller center, the flow direction of cooling water are shown in arrow among Fig. 4, and cooling water is entered by pipe 401 in the swivel joint, flows to the roller center hole, after 402 outflows of swivel joint outer tube.This kind roller manufacturing process is simple, though weight is heavier relatively, overall cost is relatively low, can transmit the decelerator moment of torsion well.In addition, because the flow of cooling water cavity is too little, cooling range is little, and cooling effect is poor, causes mechanical performances such as ultimate tension, torsional yield strength, the yield strength limit relatively poor relatively.
The roller pluses and minuses contrast of first kind, second kind pattern is as following table.
Summary of the invention
The present invention seeks to overcome the described deficiency of background technology, combine their advantage, a kind of novel durable straightening roller is provided, have that manufacturing process is simple, low cost of manufacture, good, the good cooling results of stressing conditions, and characteristics such as long service life, improve the reliability of equipment safety operation, reduced the labour intensity of service worker.
Technical scheme of the present invention is: novel durable straightening roller, form by roll body and swivel joint, roll body is a complete monomer, it is characterized in that: the circular hole that on the roll body circumference, is evenly distributed with at least more than one, roller center also has a circular hole, the roller two ends are equipped with the water flowing water channel that is communicated with center hole, a plurality of circular holes on the described circumference respectively with water flowing water channel UNICOM, swivel joint is installed in the roller end, its water inlet pipe puts in the center hole, also has the sealing ring in conversion water route to be installed between water inlet pipe and the center hole.
The invention has the beneficial effects as follows: roll body is a monomer, on the roller circumference, drill through the water hole, the water of swivel joint is through the sealing ring effect, enter the water channel that enters a side behind the roller center hole, water in the water channel is got back to the opposite side water channel by limbers, roller outer ring, after the outflow of swivel joint outlet pipe is stressed even when helping work, the cooling of roller surfaces is even fast, is not prone to bending, torsional deformation.
Description of drawings
Accompanying drawing 1 is transmission roll body assembly structure figure;
Accompanying drawing 2 is free roll body assembly structure figure;
Accompanying drawing 3 is disclosed first kind of roll body structure chart;
Accompanying drawing 4 is disclosed second kind of roll body structure chart;
Accompanying drawing 5 is an embodiment of the invention roll body front view;
Accompanying drawing 6 is an embodiment of the invention roll body left view;
Accompanying drawing 7 is an embodiment of the invention roll body A-A cutaway view;
Accompanying drawing 8 is an embodiment of the invention roll body B-B cutaway view;
Accompanying drawing 9 is an embodiment of the invention roll body C-C cutaway view;
Accompanying drawing 10 is an embodiment of the invention roll body D-D cutaway view;
Accompanying drawing 11 is an embodiment of the invention roll body E-E revolved sectional view.
The specific embodiment
Below the contrast accompanying drawing further specifies the description of symbols in the accompanying drawing to the embodiment of the invention:
Among Fig. 1: 101-roller, 102-swivel joint, 103-aligning roller bearing, 104-bearing block, 105-decelerator.
Among Fig. 2: 201-roller, 202-swivel joint, 203-aligning roller bearing, 204-bearing block.
Among Fig. 3: the outer tube of the interior pipe of 301-steel plate, 302-roller shell, 303-axle, 304-swivel joint, 305-inlet opening, 306-apopore, 307-swivel joint.
Among Fig. 4; The interior pipe of 401-swivel joint, the outer tube of 402-swivel joint, the 403-circular arc shaft shoulder.
Among Fig. 5: the 501-circular arc shaft shoulder, 514-sealing ring.
Among Fig. 7,8: 503-apopore, 505-water outlet water channel, 510-fabrication hole shrouding, 513-circumference limbers.
Among Fig. 9: 506-inlet channel, 507-inlet opening.
Among Figure 10,11: pipe, 504-plug screw, 508-inlet channel shrouding, 509-fabrication hole shrouding, 511-water outlet water channel shrouding, 512-swivel joint outer tube, 514-sealing ring in the 502-swivel joint.
Referring to accompanying drawing 5,10,11, the hole that the interior pipe 502 of swivel joint inserts roller center, the flow direction of cooling water is shown in arrow among Figure 10, Figure 11.Cooling water is entered by pipe 502 in the swivel joint, go into 507 backs, inlet opening from the roller center orifice flow and flow to inlet channel 506 because of sealing ring 514 effects, the cooling water that water channel is 506 li flows to water outlet water channel 505 by circumference limbers 513, flow to the roller center hole through apopore 503 then, after outer tube 512 outflows of swivel joint.For guaranteeing in the circumference limbers 513 that by enough cooling waters, the water flowing area of inlet channel 506, water outlet water channel 505 all is greater than total water flowing area of circumference limbers 513.For preventing that impurity from stopping up the water hole, so process a mud hole respectively on inlet channel shrouding 508, water outlet water channel shrouding 511, intact or maintenance back deslagging usefulness to be processed is blocked up with plug screw 504 then and can be satisfied the water route seal request.
Below this utility model roller is analyzed at aspects such as manufacturing process, manufacturing cost, stressing conditions, cooling effect and existing roller:
Manufacturing process: 1. forge whole roller → annealing → rough turn profile → process inlet channel 506, water outlet water channel 505, circumference limbers 513, inlet opening 507, apopore 503;
2. process inlet channel shrouding 508, water outlet water channel shrouding 511, fabrication hole shrouding 509;
3. preheating roller and shrouding → welding → insulation → modified → finish turning → try the water.
Manufacturing cost: manufacturing process is suitable substantially with the roller (accompanying drawing 4) of existing the third pattern, though the roller of the existing relatively first kind of pattern (accompanying drawing 3) of weight is heavier, overall cost is suitable substantially with the roller of existing the third pattern.
Stressing conditions: as shown in Figure 8, though the roller circumference is covered with limbers 513, the influence of pair of rollers bending resistant section coefficient is less, so roller bending resistant section coefficient is suitable substantially with the roller of existing the third pattern; As shown in Figure 5, whole roller is with the same circular arc shaft shoulder 501 that processes of roller of existing the third pattern.Depressing under power and the moment of torsion acting in conjunction, the roller stress-bearing capability is suitable substantially with the roller of existing the third pattern.Because of the effect of weld seam only is used to seal the water route, do not bear pressure and moment of torsion, so the welding procedure easier assurance of roller of first, second kind pattern relatively, even leak also not can influence power transmission.
Cooling effect: as Fig. 7, shown in Figure 9, the flow of cooling water cavity is relatively large, good fluidity, and cooling range is big, and cooling effect is suitable substantially with the roller of existing first kind of pattern.Mechanical performances such as ultimate tension, torsional yield strength, yield strength are suitable substantially with the roller of existing the third pattern.
Claims (1)
1. novel durable straightening roller, form by roll body and swivel joint, roll body is a complete monomer, it is characterized in that: the circular hole that on the roll body circumference, is evenly distributed with at least more than one, roller center also has a circular hole, the roller two ends are equipped with the water flowing water channel that is communicated with center hole, a plurality of circular holes on the described circumference respectively with water flowing water channel UNICOM, swivel joint is installed in the roller end, its water inlet pipe puts in the center hole, also has the sealing ring in conversion water route to be installed between water inlet pipe and the center hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010515110 CN101979183A (en) | 2010-10-20 | 2010-10-20 | Novel durable pulling and straightening roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010515110 CN101979183A (en) | 2010-10-20 | 2010-10-20 | Novel durable pulling and straightening roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101979183A true CN101979183A (en) | 2011-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010515110 Pending CN101979183A (en) | 2010-10-20 | 2010-10-20 | Novel durable pulling and straightening roller |
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| Country | Link |
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| CN (1) | CN101979183A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941329A (en) * | 2012-12-04 | 2013-02-27 | 中冶东方工程技术有限公司 | Rocker arm type tension leveler |
| CN104550794A (en) * | 2014-12-05 | 2015-04-29 | 澳洲澳秀科技有限公司 | Water cooling crystallization roller used in continuous casting machine |
| CN108723315A (en) * | 2018-07-03 | 2018-11-02 | 宣化钢铁集团有限责任公司 | Cold pulling-straightening roller outside aerosol |
| CN109676102A (en) * | 2019-01-10 | 2019-04-26 | 宣化钢铁集团有限责任公司 | A kind of supporting roller of straightening machine and its cooling means |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5073826A (en) * | 1973-11-01 | 1975-06-18 | ||
| CN1203127A (en) * | 1997-06-19 | 1998-12-30 | 衡阳市连铸机配件总厂 | Full water-cooled roller and its making method |
| CN2426394Y (en) * | 2000-06-16 | 2001-04-11 | 武汉钢铁集团兴达经济发展有限责任公司设备修造厂 | Bidirectional cooled slab conticasting straightening roll |
| CN1756608A (en) * | 2003-01-08 | 2006-04-05 | 阿尔科公司 | Caster roll |
| KR20080058086A (en) * | 2006-12-21 | 2008-06-25 | 주식회사 포스코 | Driven roller cooling bed of continuous caster |
| CN201855929U (en) * | 2010-10-20 | 2011-06-08 | 中冶连铸技术工程股份有限公司 | Novel durable pulling-straightening roller |
-
2010
- 2010-10-20 CN CN 201010515110 patent/CN101979183A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5073826A (en) * | 1973-11-01 | 1975-06-18 | ||
| CN1203127A (en) * | 1997-06-19 | 1998-12-30 | 衡阳市连铸机配件总厂 | Full water-cooled roller and its making method |
| CN2426394Y (en) * | 2000-06-16 | 2001-04-11 | 武汉钢铁集团兴达经济发展有限责任公司设备修造厂 | Bidirectional cooled slab conticasting straightening roll |
| CN1756608A (en) * | 2003-01-08 | 2006-04-05 | 阿尔科公司 | Caster roll |
| KR20080058086A (en) * | 2006-12-21 | 2008-06-25 | 주식회사 포스코 | Driven roller cooling bed of continuous caster |
| CN201855929U (en) * | 2010-10-20 | 2011-06-08 | 中冶连铸技术工程股份有限公司 | Novel durable pulling-straightening roller |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941329A (en) * | 2012-12-04 | 2013-02-27 | 中冶东方工程技术有限公司 | Rocker arm type tension leveler |
| CN104550794A (en) * | 2014-12-05 | 2015-04-29 | 澳洲澳秀科技有限公司 | Water cooling crystallization roller used in continuous casting machine |
| CN104550794B (en) * | 2014-12-05 | 2017-04-12 | 澳洲澳秀科技有限公司 | Water cooling crystallization roller used in continuous casting machine |
| CN108723315A (en) * | 2018-07-03 | 2018-11-02 | 宣化钢铁集团有限责任公司 | Cold pulling-straightening roller outside aerosol |
| CN108723315B (en) * | 2018-07-03 | 2024-03-22 | 宣化钢铁集团有限责任公司 | Aerosol external cold drawing and straightening roller |
| CN109676102A (en) * | 2019-01-10 | 2019-04-26 | 宣化钢铁集团有限责任公司 | A kind of supporting roller of straightening machine and its cooling means |
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Application publication date: 20110223 |