CN102605161A - Internal straightener for annealing furnaces - Google Patents
Internal straightener for annealing furnaces Download PDFInfo
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- CN102605161A CN102605161A CN2012100739014A CN201210073901A CN102605161A CN 102605161 A CN102605161 A CN 102605161A CN 2012100739014 A CN2012100739014 A CN 2012100739014A CN 201210073901 A CN201210073901 A CN 201210073901A CN 102605161 A CN102605161 A CN 102605161A
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- heater
- top roll
- roll
- metal compensator
- gear motor
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Abstract
The invention relates to an internal straightener for annealing furnaces. The internal straightener is characterized in that upper rollers and lower rollers run through the interior of an annealing furnace and span a furnace body; the five lower rollers are directly fixed on the furnace body through bearing pedestals; each of the four upper rollers is fixed on the supports of the furnace body through respective upper roller lifters of the upper rollers, and can be controlled by the upper roller lifters to go up and down alone; non-metal compensators are arranged between the furnace body and the upper rollers, and are tightly combined with the furnace body and the upper rollers to guarantee the tightness of the annealing furnace, and moreover, the non-metal compensators can be extended or contracted to compensate the relative displacement between the upper rollers and the furnace body as the upper rollers go up or down; and heat insulators are arranged between the non-metal compensators and the furnace body to block internal temperature from being conducted into the non-metal compensators. The structure of the internal straightener is compact, the equipment layout is simple and reasonable, and the internal straightener is easy to control, and can effectively improve the strip steel-straightening effect in order to increase product quality.
Description
Technical field
The present invention relates to the smooth lehre of a kind of thermal stretch, especially straightening device in the stove.
Background technology
It is dry and thermal stretch is smooth that the smooth lehre of thermal stretch is used for that the oriented silicon steel behind the high temperature annealing is coated with insulation layer; The principle of work of its smooth band steel is through the tensioning roller before and after the lehre band steel to be applied certain force of strain; Make thermal zone steel meet the requirements of unit elongation through stretching; Thereby local plastic deformation takes place, reach smooth effect, improve template.This principle is the unit elongation that only changes the band steel through stretching, and very high to strip tension control requirement in the stove, the belt steel flating effect is wayward, and belt phenomenon takes place easily.If in lehre, increase straightening device in this stove; Can under less strip tension situation, obviously improve the coating and the smooth effect of band steel; This straightening device is positioned at the lehre soaking zone; Can be in guaranteeing stove the band steel be carried out the bending straightening effect under temperature and the bubble-tight prerequisite, thereby realize stretching and crooked acting in conjunction reaches the needed unit elongation of belt steel flating, can obviously improve smooth efficient of thermal stretch and strip quality.
Summary of the invention
The object of the present invention is to provide a kind of smooth lehre soaking zone of thermal stretch and body of roll of being arranged to pass lehre in the stove with the interior straightening device of stove; Can be in guaranteeing stove the band steel be realized stretch-bend leveller under temperature and the bubble-tight prerequisite, improve the smooth effect and the production efficiency of hot drawing annealing stove.
For realizing above-mentioned purpose, technical scheme of the present invention is:
Straightening device in the stove that lehre is used is arranged at the smooth lehre soaking zone of thermal stretch the band steel is carried out stretch-bend leveller; It is characterized in that: top roll and lower roll pass lehre and are erected on the body of heater; Lower roll directly is fixed on the body of heater through its chock; Each root of top roll all is fixed on the body of heater through the top roll lifting device and can under the control of top roll lifting device separately, goes up and down separately; Be provided with non-metal compensator between body of heater and the top roll; Said non-metal compensator and body of heater and last roll bearing seat are combined closely and are formed sealing, and non-metal compensator is set to extend along with the up-down of top roll or compress with the relative displacement between compensation top roll and the body of heater; Said heat-proof device is arranged between non-metal compensator and the body of heater.
By technique scheme, said device is provided with five lower rolls, four top rolls; Five lower rolls directly are fixed on the body of heater through its chock, and each root of four top rolls all is fixed on the bearing of body of heater through the top roll lifting device of himself.
By technique scheme, described top roll lifting device is fixed on the body of heater, comprises spiral lift, riser guide and elevator motor, and said spiral lift can drive top roll along the riser guide oscilaltion; The chock of four top rolls is fixed on the bearing of body of heater through spiral lift and riser guide.
By technique scheme, said heat-proof device adopts double-deck water-cooling structure form, intermediate connection; Heat-proof device one end is connected with body of heater, and the other end is connected with non-metal compensator; Non-metal compensator partly is made up of two ends coupling flange and middle circular flexible compensation; Non-metal compensator one end is connected with heat-proof device, and the other end is connected with the chock of top roll.
By technique scheme, non-metal compensator intermediary flexible compensation part is made up of the fluorine rubber ring of band metallic framework.
By technique scheme, said top roll and following roller diameter are selected small dia satisfying under the prerequisite of intensity.
By technique scheme, the top roll gear motor is fixed on the upper roll gear motor base, and the top roll gear motor is connected through universal coupling with top roll; The lower roll gear motor is fixed on the body of heater, connects through shaft coupling between lower roll gear motor and the lower roll, and scrambler is installed in each motor afterbody; Also be provided with the PLC system.
Inventive principle of the present invention is: the gear motor of top roll and lower roll all has scrambler, can guarantee the synchronism of furnace roller and strip speed through scrambler adjustment furnace roller speed; The spiral lift gear motor has scrambler, can be through scrambler control spiral lift adjustable height; Four every of top rolls all are furnished with spiral lift, lifting travel that can every top roll of independent control; Spiral lift drives top roll and moves up and down along riser guide, and the cornerite of adjustment band steel on upper and lower roll can be adjusted the bending curvature of being with steel; Said non-metal compensator one end is connected with last roll bearing seat, and an end is connected with heat-proof device, can guarantee the stopping property of lehre, can realize the relative movement between top roll and the lehre again; Said heat-proof device is double-deck water-cooling structure, and furnace high-temperature can be effectively isolated in middle water flowing cooling, reduces temperature in the non-metal compensator, improves its work-ing life.
Implementation procedure of the present invention is: the band steel passes through between upper and lower straightening roll; Reach the ideal leveling effect; The band steel must reach the unit elongation of its requirement, and there is its corresponding unit elongation requirement the band steel capital of every kind of specification, and the unit elongation of band steel is mainly controlled by the volume under pressure of straightening device top roll.Can drive the top roll lifting action this moment through spiral lift, and the up-down amount of the scrambler may command top roll on its drive-motor guarantees that top roll meets the requirements of volume under pressure, to reach the unit elongation of band steel requirement, realizes band steel aligning process.Non-metal compensator can guarantee the relative movement between top roll and the furnace shell in this process, can realize the seal request in the stove again, and heat-proof device can effectively intercept furnace high-temperature and be delivered in the non-metal compensator, reduces temperature in it, improves work-ing life.
Compact construction of the present invention, the device layout advantages of simple, control is simple, can effectively improve band steel leveling effect, improves the quality of products.
Description of drawings:
The interior straightening device front elevational schematic of stove that Fig. 1 uses for the lehre of the embodiment of the invention;
Fig. 2 for the C of embodiment of the invention Fig. 1 to synoptic diagram (saving furnace shell).
Description of symbols among the figure: 1-top roll, 2-lower roll, 3-top roll universal coupling, 4-lower roll shaft coupling; 5-top roll gear motor, 6-lower roll gear motor, 7-heat-proof device, 8-non-metal compensator; The 9-spiral lift, 10-spiral lift gear motor, 11-riser guide; The 12-scrambler, 13-body of heater, 14-upper roll gear motor base.
Embodiment:
Below in conjunction with embodiment and accompanying drawing the present invention is described further, but does not limit the present invention.
Referring to Fig. 1 and 2:
Straightening device in the stove that a kind of lehre of implementing by the present invention is used, it is arranged at the smooth lehre soaking zone of thermal stretch, realizes the stretch-bend leveller to the band steel.Four top rolls 1 and five lower rolls 2 all pass lehre and are erected on the body of heater 13, and lifting device is fixed on the body of heater 13 and can drives the roll gap between top roll 1 oscilaltion adjustment top roll 1 and the lower roll 2; Be provided with heat-proof device 7 and non-metal compensator 8 between body of heater 13 and the top roll 1; Said non-metal compensator 8 is combined closely with the chock of body of heater 13 and top roll 1 and is guaranteed the stopping property of lehre; And be set to extend or to compress relative displacement along with the up-down of top roll 1, realize relative movement with between compensation top roll 1 and the body of heater 13; Said heat-proof device 7 can effectively intercept the interior temperature of stove and be delivered in the non-metal compensator 8, improves its work-ing life.
Further, 2 pairs of bands of said top roll 1 and lower roll steel carries out the bending straightening effect, and its diameter is selected little diameter satisfying as far as possible under the prerequisite of intensity.
Further, said heat-proof device 7 adopts double-deck water-cooling structure form, and furnace high-temperature can be effectively isolated in middle water flowing cooling, intercepts the interior hot gas of stove to non-metal compensator 8 internal diffusion; Heat-proof device 7 upper ends are connected with body of heater 13; The lower end is connected with non-metal compensator 8; This loop expansion pipe 8 realizes that the relative furnace shell of top roll guarantees the stopping property in the stove when moving; Partly be made up of two ends coupling flange and middle circular flexible compensation, this flexible compensation part normally is made up of the fluorine rubber ring of band metallic framework; Loop expansion pipe 8 one ends are connected with heat-proof device 7, and the other end is connected with the chock of top roll 1.
Further, said top roll 1 includes compositions such as the body of roll, chock and bearing with lower roll 2; Five lower rolls 2 directly are fixed on the body of heater 13 through its chock; Spiral lift 9 is fixed on the body of heater 13 with spiral lift gear motor 10; The chock of four top rolls 1 is fixed on the bearing of body of heater 13 through spiral lift 9 and riser guide 11; Said spiral lift 9 can drive top roll 1 along riser guide 11 oscilaltions, the roll gap between adjustment top roll 1 and the lower roll 2, and the cornerite of adjustment band steel on upper and lower roll can be adjusted the bending curvature of being with steel, changes the unit elongation of band steel; Said four top rolls 1 every all be furnished with spiral lift 9, lifting travel that can every top roll of independent control 1.
Further, top roll gear motor 5 is fixed on the upper roll gear motor base 14, and top roll gear motor 5 is connected through top roll universal coupling 3 with top roll 1; Lower roll gear motor 6 is fixed on the body of heater 13; Connect through lower roll shaft coupling 4 between lower roll gear motor 6 and the lower roll 2; Scrambler 12 is installed in each motor afterbody and can accurately controls the rotating speed of top roll 1, lower roll 2 and the lifting travel of spiral lift 9; Guarantee the synchronism of furnace roller and strip speed, make complete assembly realize control automatically.Controlling elements is the control of PLC unit.
Working process of the present invention: the band steel passes through between top roll 1 and lower roll 2 in the stove; Two chocks of top roll 1 all are connected with the elevating lever of spiral lift 9; Can regulate the gap between top roll 1 and the lower roll 2 through spiral lift 9; When producing the band steel of certain specification, reach the ideal leveling effect, the band steel must reach the unit elongation of its requirement; There is its corresponding unit elongation requirement the band steel capital of every kind of specification, and the unit elongation of band steel is mainly controlled by the gap between straightening device top roll 1 and the lower roll 2.When producing the band steel of certain specification, configure the gap width between top roll 1 and the lower roll 2 on request, spiral lift 9 begins action; Drive top roll 1 and move along riser guide 11, spiral lift scrambler 12 begins counting simultaneously, the lifting travel of control top roll 1; When reaching when requiring the gap with lower roll 2; Spiral lift 9 stops action, remains on this position, and the band steel is realized the stretch-bend leveller function under stove internal tension and straightening device dual function.
Above disclosedly be merely preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, the equivalence of therefore doing according to claim of the present invention changes, and still belongs to protection scope of the present invention.
Claims (10)
1. straightening device in the stove used of lehre is arranged at the smooth lehre soaking zone of thermal stretch the band steel is carried out stretch-bend leveller; It is characterized in that: top roll and lower roll pass lehre and are erected on the body of heater; Lower roll directly is fixed on the body of heater through its chock; Each root of top roll all is fixed on the body of heater through the top roll lifting device and can under the control of top roll lifting device separately, goes up and down separately; Be provided with non-metal compensator between body of heater and the top roll; Said non-metal compensator and body of heater and last roll bearing seat are combined closely and are formed sealing, and non-metal compensator is set to extend along with the up-down of top roll or compress with the relative displacement between compensation top roll and the body of heater; Said heat-proof device is arranged between non-metal compensator and the body of heater.
2. straightening device in the stove according to claim 1, it is characterized in that: said device is provided with five lower rolls, four top rolls; Five lower rolls directly are fixed on the body of heater through its chock, and each root of four top rolls all is fixed on the bearing of body of heater through the top roll lifting device of himself.
3. straightening device in the stove according to claim 1 and 2; It is characterized in that: described top roll lifting device is fixed on the body of heater; Comprise spiral lift, riser guide and elevator motor, said spiral lift can drive top roll along the riser guide oscilaltion; The chock of four top rolls is fixed on the bearing of body of heater through spiral lift and riser guide.
4. straightening device in the stove according to claim 1 and 2, it is characterized in that: said heat-proof device adopts double-deck water-cooling structure form, intermediate connection; Heat-proof device one end is connected with body of heater, and the other end is connected with non-metal compensator; Non-metal compensator partly is made up of two ends coupling flange and middle circular flexible compensation; Non-metal compensator one end is connected with heat-proof device, and the other end is connected with the chock of top roll.
5. want straightening device in the 3 described stoves according to right, it is characterized in that: said heat-proof device adopts double-deck water-cooling structure form, intermediate connection; Heat-proof device one end is connected with body of heater, and the other end is connected with non-metal compensator; Non-metal compensator partly is made up of two ends coupling flange and middle circular flexible compensation; Non-metal compensator one end is connected with heat-proof device, and the other end is connected with the chock of top roll.
6. straightening device in the stove according to claim 4 is characterized in that: non-metal compensator intermediary flexible compensation part is made up of the fluorine rubber ring of band metallic framework.
7. straightening device in the stove according to claim 5 is characterized in that: non-metal compensator intermediary flexible compensation part is made up of the fluorine rubber ring of band metallic framework.
According to claim 12 or the described stove of one of 5-7 in straightening device, it is characterized in that: said top roll and following roller diameter are selected small dia satisfying under the prerequisite of intensity.
According to claim 12 or the described stove of one of 5-7 in straightening device, it is characterized in that: the top roll gear motor is fixed on the upper roll gear motor base, and the top roll gear motor is connected through universal coupling with top roll; The lower roll gear motor is fixed on the body of heater, connects through shaft coupling between lower roll gear motor and the lower roll, and scrambler is installed in each motor afterbody; Also be provided with the PLC system.
10. straightening device in the stove according to claim 8, it is characterized in that: the top roll gear motor is fixed on the upper roll gear motor base, and the top roll gear motor is connected through universal coupling with top roll; The lower roll gear motor is fixed on the body of heater, connects through shaft coupling between lower roll gear motor and the lower roll, and scrambler is installed in each motor afterbody; Also be provided with the PLC system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210073901.4A CN102605161B (en) | 2012-03-20 | 2012-03-20 | Internal straightener for annealing furnaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210073901.4A CN102605161B (en) | 2012-03-20 | 2012-03-20 | Internal straightener for annealing furnaces |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102605161A true CN102605161A (en) | 2012-07-25 |
| CN102605161B CN102605161B (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210073901.4A Expired - Fee Related CN102605161B (en) | 2012-03-20 | 2012-03-20 | Internal straightener for annealing furnaces |
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| Country | Link |
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| CN (1) | CN102605161B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128156A (en) * | 2012-09-13 | 2013-06-05 | 天津阿瑞斯工业炉有限公司 | Oriented silicon steel strip final stretching flattening annealed wire high temperature pulling-straightening device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5776134A (en) * | 1980-10-22 | 1982-05-13 | Nippon Steel Corp | Continuous upright type annealing furnaces in plural rows |
| DE3222940C1 (en) * | 1982-06-18 | 1983-11-17 | Brown, Boveri & Cie Ag, 6800 Mannheim | Apparatus for heating bars or billets |
| CN2790620Y (en) * | 2005-02-18 | 2006-06-28 | 中冶连铸技术工程股份有限公司 | Band steel bending straightening machine |
| CN202070605U (en) * | 2010-12-31 | 2011-12-14 | 中冶连铸技术工程股份有限公司 | Small roll-diameter multi-roll straightener |
-
2012
- 2012-03-20 CN CN201210073901.4A patent/CN102605161B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5776134A (en) * | 1980-10-22 | 1982-05-13 | Nippon Steel Corp | Continuous upright type annealing furnaces in plural rows |
| DE3222940C1 (en) * | 1982-06-18 | 1983-11-17 | Brown, Boveri & Cie Ag, 6800 Mannheim | Apparatus for heating bars or billets |
| CN2790620Y (en) * | 2005-02-18 | 2006-06-28 | 中冶连铸技术工程股份有限公司 | Band steel bending straightening machine |
| CN202070605U (en) * | 2010-12-31 | 2011-12-14 | 中冶连铸技术工程股份有限公司 | Small roll-diameter multi-roll straightener |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128156A (en) * | 2012-09-13 | 2013-06-05 | 天津阿瑞斯工业炉有限公司 | Oriented silicon steel strip final stretching flattening annealed wire high temperature pulling-straightening device |
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| Publication number | Publication date |
|---|---|
| CN102605161B (en) | 2014-03-05 |
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Granted publication date: 20140305 Termination date: 20160320 |