CN100496782C - Material-feeding device of the 3 - roll thermal precise mill - Google Patents
Material-feeding device of the 3 - roll thermal precise mill Download PDFInfo
- Publication number
- CN100496782C CN100496782C CNB2007100550726A CN200710055072A CN100496782C CN 100496782 C CN100496782 C CN 100496782C CN B2007100550726 A CNB2007100550726 A CN B2007100550726A CN 200710055072 A CN200710055072 A CN 200710055072A CN 100496782 C CN100496782 C CN 100496782C
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- roller
- rotation
- roll thermal
- feeding rack
- rotation roller
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- 238000005096 rolling process Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 64
- 238000010168 coupling process Methods 0.000 claims description 64
- 238000005859 coupling reaction Methods 0.000 claims description 64
- 238000009413 insulation Methods 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 10
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000005098 hot rolling Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 4
- 238000003825 pressing Methods 0.000 abstract 1
- 238000005242 forging Methods 0.000 description 33
- 230000009471 action Effects 0.000 description 5
- 238000003801 milling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000010622 cold drawing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The invention relates to a material inlet mechanism of a three-roller hot finishing mill matched with the three-roller hot finishing mill when the seamless steel pipes are processed by adopting the hot rolling method. The invention includes a material inlet frame, two rows of rotary rollers arranged in parallelism on the material inlet frame, and a motor connected with the rotary roller by a decelerator; the two rotary roller corresponding to the two rows of rotary rollers arranged in parallelism correspondingly are obliquely arranged; the material inlet frame is movably provided with a pressing roller arranged on the rotary roller. The invention has the advantages of simple structure and convenient adjustment, the rotary roller combination in the actual application process effectively solves the problem that the thermal-state pipe head deformation rolling is not easy to be bitten in the perforation process, the pneumatic core rod supporting roll effectively solves the vibration problem of the following core rod, ensures the qualification rate of the production of the seamless steel pipes and prolongs the service life of the following mandrel.
Description
Technical field
The present invention relates to a kind of when adopting hot-rolling method processing seamless steel pipe and the feeding mechanism of the matching used 3-roll thermal precise mill of 3-roll thermal precise mill.
Background technology
Seamless steel tube production generally is to adopt the method for cold-drawn and hot rolling at present.The operation of cold-drawing method is various, and production efficiency is very low; Though the operation of hot-rolling method is compared few a lot with cold-drawn, efficient does not improve the quality that has much reduced finished product.When especially adopting hot-rolling method to produce seamless steel pipe,, cause to be difficult in the operation of rolling nipping and pipe to occur useless because perforation procedure unavoidably produces the leading edge deformation of hollow forging.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and provide a kind of rolling rate of nipping of hollow forging that makes to reach absolutely, thereby can improve the feeding mechanism of the 3-roll thermal precise mill of seamless steel pipe yield rate.
The object of the present invention is achieved like this: comprise feeding rack, parallel be placed on the row rotation of two on feeding rack roller, by deceleration device with rotate the motor that roller is connected, two corresponding in the two row rotation rollers of parallel placement rotation roller relative tilts arrange, are being movably installed with the pressure roller that is positioned at above the rotation roller on the feeding rack.
Each rotation that every row rotates in the roller is connected by Hooks coupling universal coupling between roller, is connected by Hooks coupling universal coupling between rotation roller and the deceleration device.
Between feeding rack middle part rotation roller, pneumatic core bar carrying roller is installed.
In feeding rack head rotation roller front or between each rotation roller the plug carrying roller is installed.
Is single motor or two motors by deceleration device with the motor that the rotation roller is connected.Feeding rack is positioned over the rolling hole of 3-roll thermal precise mill main frame import department.
The angle of inclination that two corresponding rotation roller relative tilts are arranged in two row's rotation rollers of parallel placement is between 1-20 degree.
The Hooks coupling universal coupling outside of each the rotation roller of connection between two row's rotation rollers is provided with heat insulation of retainer.
The present invention has simple in structure, easy to adjust, rotation roller combination efficiently solves the problem that hot hollow forging leading edge deformation in the perforation process is difficult for nipping in rolling in the use, pneumatic core bar carrying roller efficiently solves the vibration problem of servo-actuated plug, guarantee the qualification rate of seamless steel tube production, prolonged the service life of servo-actuated plug.
Description of drawings
Fig. 1 is a rotation roller combination sketch of the present invention.
Fig. 2 is a rotation roller schematic diagram of the present invention.
Fig. 3 is a pneumatic core bar carrying roller schematic diagram of the present invention.
Fig. 4 is a servo-actuated plug carrying roller schematic diagram of the present invention.
Fig. 5 is an operation principle schematic diagram of the present invention.
1. motors among the figure, 2. deceleration device, 3. pneumatic core bar carrying roller, 4. Hooks coupling universal coupling, 5. pressure roller, 6. Hooks coupling universal coupling, 7. rotation roller, 8. core bar, 9. plug carrying roller, 10. feeding rack, 11. servo-actuated plugs, heat insulation of 12. retainers.
The specific embodiment
Embodiment 1: as shown in Figure 5, the present invention includes feeding rack 10, parallel be placed on the row rotation of two on the feeding rack 10 roller 7, by deceleration device 2 with rotate the motor 1 that roller 7 is connected, two corresponding in the two row rotation rollers 7 of parallel placement rotation roller 7 relative tilts arrange, are being movably installed with the pressure roller 5 that is positioned at above the rotation roller 7 on the feeding rack 10.Feeding rack 10 is positioned over the rolling hole of 3-roll thermal precise mill main frame import department.High hot hollow forging enters the rolling hole of 3-roll thermal precise mill main frame through dragging rotation and obtaining initial onward impulse of feeding mechanism.
When high hot hollow forging enters rotation roller 7, core bar 8 penetrates hollow forging and is positioned the main frame position with the servo-actuated plug 11 that is connected, 5 times press contacts hollow forgings of pressure roller then, motor 1 drag deceleration device 2 makes rotation roller 7 obtain power, and rotation roller 7 begins rotation and drives the hollow forging rotation, hollow forging rotates into the mill milling district and is rolled, after rolling the finishing, motor 1 stops action, and deceleration device 2, rotation roller 7 stop, core bar 8 returns with the servo-actuated plug 11 that is connected, and begins next rolling circulation then.
Embodiment 2: shown in Fig. 1,2,5, the present invention includes feeding rack 10, parallel be placed on the row rotation of two on the feeding rack 10 roller 7, by deceleration device 2 with rotate the motor 1 that roller 7 is connected, two corresponding in the two row rotation rollers 7 of parallel placement rotation roller 7 relative tilts arrange, are being movably installed with the pressure roller 5 that is positioned at above the rotation roller 7 on the feeding rack 10.Each rotation that every row rotates in the roller 7 is connected by Hooks coupling universal coupling 6 between roller 7, is connected by Hooks coupling universal coupling 4 between rotation roller 7 and the deceleration device 2.Feeding rack 10 is positioned over the rolling hole of 3-roll thermal precise mill main frame import department.The angle of inclination that two corresponding rotation roller 7 relative tilts are arranged in two row's rotation rollers 7 of parallel placement is between 1 degree.Hooks coupling universal coupling 6 outsides of each the rotation roller 7 of connection between two row's rotation rollers 7 are provided with heat insulation 12 of retainer.Heat insulation 12 of retainer plays the effect of protection Hooks coupling universal coupling 6 and Hooks coupling universal coupling 4.
When high hot hollow forging enters rotation roller 7, core bar 8 penetrates hollow forging and is positioned the main frame position with the servo-actuated plug 11 that is connected, 5 times press contacts hollow forgings of pressure roller then, motor 1 drags deceleration device 2 makes rotation roller 7 obtain power by Hooks coupling universal coupling 4, rotation roller 7 begins rotation and drives the hollow forging rotation under the connection of Hooks coupling universal coupling 6, hollow forging rotates into the mill milling district and is rolled, after rolling the finishing, motor 1 stops action, deceleration device 2, rotation roller 7, hookup 4,6 stop, pressure roller 5 rises, and core bar 8 returns with the servo-actuated plug 11 that is connected, and begins next rolling circulation then.
Embodiment 3: shown in Fig. 1,2,3,5, the present invention includes feeding rack 10, parallel be placed on the row rotation of two on the feeding rack 10 roller 7, by deceleration device 2 with rotate the motor 1 that roller 7 is connected, two corresponding in the two row rotation rollers 7 of parallel placement rotation roller 7 relative tilts arrange, are being movably installed with the pressure roller 5 that is positioned at above the rotation roller 7 on the feeding rack 10.Each rotation that every row rotates in the roller 7 is connected by Hooks coupling universal coupling 6 between roller 7, is connected by Hooks coupling universal coupling 4 between rotation roller 7 and the deceleration device 2.Between feeding rack middle part rotation roller 7, pneumatic core bar carrying roller 3 is installed.Feeding rack 10 is positioned over the rolling hole of 3-roll thermal precise mill main frame import department.The angle of inclination that two corresponding rotation roller 7 relative tilts are arranged in two row's rotation rollers 7 of parallel placement is 20 degree.Hooks coupling universal coupling 6 outsides of each the rotation roller 7 of connection between two row's rotation rollers 7 are provided with heat insulation 12 of retainer.Heat insulation 12 of retainer is movably arranged on the feeding rack 10, and along feeding rack 10 oscilaltions.Heat insulation 12 of retainer plays the effect of protection Hooks coupling universal coupling 6 and Hooks coupling universal coupling 4.Be convenient to install Hooks coupling universal coupling along feeding rack 10 oscilaltions.
When high hot hollow forging enters rotation roller 7, core bar 8 penetrates hollow forging and is positioned the main frame position with the servo-actuated plug 11 that is connected, 5 times press contacts hollow forgings of pressure roller then, motor 1 drags deceleration device 2 makes rotation roller 7 obtain power by Hooks coupling universal coupling 4, rotation roller 7 begins rotation and drives the hollow forging rotation under the connection of Hooks coupling universal coupling 6, when entering main frame, hollow forging begins that pneumatic core bar carrying roller 3 rises when rolling, contact core bar 8, hollow forging rotates into the mill milling district and is rolled then, after rolling the finishing, pneumatic core bar carrying roller 3 descends, motor 1 stops action, deceleration device 2, rotation roller 7, hookup 4,6 stop, and pressure roller 5 rises, core bar 8 returns with the servo-actuated plug 11 that is connected, and begins next rolling circulation then.
Embodiment 4: shown in Fig. 1,2,3,4,5, the present invention includes feeding rack 10, parallel be placed on the row rotation of two on the feeding rack 10 roller 7, by deceleration device 2 with rotate the motor 1 that roller 7 is connected, two corresponding in the two row rotation rollers 7 of parallel placement rotation roller 7 relative tilts arrange, are being movably installed with the pressure roller 5 that is positioned at above the rotation roller 7 on the feeding rack 10.Each rotation that every row rotates in the roller 7 is connected by Hooks coupling universal coupling 6 between roller 7, is connected by Hooks coupling universal coupling 4 between rotation roller 7 and the deceleration device 2.Between feeding rack middle part rotation roller 7, pneumatic core bar carrying roller 3 is installed.In feeding rack head rotation roller 7 fronts or between each rotation roller 7 plug carrying roller 9 is installed.Feeding rack 10 is positioned over the rolling hole of 3-roll thermal precise mill main frame import department.The angle of inclination that two corresponding rotation roller 7 relative tilts are arranged in two row's rotation rollers 7 of parallel placement is 15 degree.
When high hot hollow forging enters rotation roller 7 and plug carrying roller 9 tops, core bar 8 penetrates hollow forging and is positioned the main frame position with the servo-actuated plug 11 that is connected, 5 times press contacts hollow forgings of pressure roller then, motor 1 drags deceleration device 2 makes rotation roller 7 obtain power by Hooks coupling universal coupling 4, rotation roller 7 begins rotation and drives the hollow forging rotation under the connection of Hooks coupling universal coupling 6, when entering main frame, hollow forging begins that pneumatic core bar carrying roller 3 rises when rolling, contact core bar 8, hollow forging rotates into the mill milling district and is rolled then, after rolling the finishing, pneumatic core bar carrying roller 3 descends, motor 1 stops action, deceleration device 2, rotation roller 7, hookup 4,6 stop, and pressure roller 5 rises, core bar 8 returns with the servo-actuated plug 11 that is connected, and begins next rolling circulation then.
Embodiment 5: shown in Fig. 1,2,3,4,5, the present invention includes feeding rack 10, the parallel motor 1 that is placed on the row rotation of two on the feeding rack 10 roller 7, is connected with rotation roller 7 by deceleration device 2, is single motor or two motors by deceleration device 2 with rotating the motor 1 that roller 7 is connected.Two corresponding in the two row rotation rollers 7 of parallel placement rotation roller 7 relative tilts arrange, are being movably installed with the pressure roller 5 that is positioned at above the rotation roller 7 on the feeding rack 10.Each rotation that every row rotates in the roller 7 is connected by Hooks coupling universal coupling 6 between roller 7, is connected by Hooks coupling universal coupling 4 between rotation roller 7 and the deceleration device 2.Between feeding rack middle part rotation roller 7, pneumatic core bar carrying roller 3 is installed.In feeding rack head rotation roller 7 fronts or between each rotation roller 7 plug carrying roller 9 is installed.Feeding rack 10 is positioned over the rolling hole of 3-roll thermal precise mill main frame import department.High hot hollow forging obtains initial driving force through dragging of feeding mechanism and enters the rolling hole of 3-roll thermal precise mill main frame, and pneumatic core bar carrying roller 3 is between feeding rack middle part rotation roller 7.The angle of inclination that two corresponding rotation roller 7 relative tilts are arranged in two row's rotation rollers 7 of parallel placement is 8 degree.
When high hot hollow forging enters rotation roller 7 and plug carrying roller 9 tops, core bar 8 penetrates hollow forging and is positioned the main frame position with the servo-actuated plug 11 that is connected, 5 times press contacts hollow forgings of pressure roller then, motor 1 drags deceleration device 2 makes rotation roller 7 obtain power by Hooks coupling universal coupling 4, rotation roller 7 begins rotation and drives the hollow forging rotation under the connection of Hooks coupling universal coupling 6, when entering main frame, hollow forging begins that pneumatic core bar carrying roller 3 rises when rolling, contact core bar 8, hollow forging rotates into the mill milling district and is rolled then, after rolling the finishing, pneumatic core bar carrying roller 3 descends, motor 1 stops action, deceleration device 2, rotation roller 7, hookup 4,6 stop, and pressure roller 5 rises, core bar 8 returns with the servo-actuated plug 11 that is connected, and begins next rolling circulation then.
Hooks coupling universal coupling 6 outsides of each the rotation roller 7 of connection between two row's rotation rollers 7 are provided with heat insulation 12 of retainer.Heat insulation 12 of retainer is movably arranged on the feeding rack 10, and along feeding rack 10 oscilaltions.
Claims (9)
1, a kind of feeding mechanism of 3-roll thermal precise mill, comprise feeding rack (10), parallel be placed on the row rotation of two on the feeding rack (10) roller (7), by deceleration device (2) with rotate the motor (1) that roller (7) is connected, it is characterized in that: two corresponding in two row's rotation rollers (7) of parallel placement rotation roller (7) relative tilts are arranged, are movably installed with the pressure roller (5) that is positioned at rotation roller (7) top on feeding rack (10).
2, the feeding mechanism of 3-roll thermal precise mill according to claim 1, it is characterized in that: every row rotates between each rotation roller (7) in the roller (7) and is connected by Hooks coupling universal coupling (6), rotates between roller (7) and the deceleration device (2) to be connected by Hooks coupling universal coupling (4).
3, the feeding mechanism of 3-roll thermal precise mill according to claim 1 and 2 is characterized in that: between feeding rack middle part rotation roller (7) pneumatic core bar carrying roller (3) is installed.
4, the feeding mechanism of 3-roll thermal precise mill according to claim 1 is characterized in that: in feeding rack head rotation roller (7) front or between each rotation roller (7) plug carrying roller (9) is installed.
5, the feeding mechanism of 3-roll thermal precise mill according to claim 1 is characterized in that: is single motor or two motors by deceleration device (2) with the motor (1) that rotation roller (7) is connected.
6, the feeding mechanism of 3-roll thermal precise mill according to claim 1 is characterized in that: feeding rack (10) is positioned over the rolling hole of 3-roll thermal precise mill main frame import department.
7, the feeding mechanism of 3-roll thermal precise mill according to claim 1 is characterized in that: the angle of inclination that two corresponding rotation roller (7) relative tilts are arranged in two row's rotation rollers (7) of parallel placement is between 1-20 degree.
8, the feeding mechanism of 3-roll thermal precise mill according to claim 2 is characterized in that: Hooks coupling universal coupling (6) outside of each the rotation roller (7) of connection between two row's rotation rollers (7) is provided with heat insulation of retainer (12).
9, the feeding mechanism of 3-roll thermal precise mill according to claim 8 is characterized in that: retainer heat insulation (12) is movably arranged on the feeding rack (10), and along feeding rack (10) oscilaltion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100550726A CN100496782C (en) | 2007-08-31 | 2007-08-31 | Material-feeding device of the 3 - roll thermal precise mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100550726A CN100496782C (en) | 2007-08-31 | 2007-08-31 | Material-feeding device of the 3 - roll thermal precise mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101112708A CN101112708A (en) | 2008-01-30 |
| CN100496782C true CN100496782C (en) | 2009-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100550726A Expired - Fee Related CN100496782C (en) | 2007-08-31 | 2007-08-31 | Material-feeding device of the 3 - roll thermal precise mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100496782C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804421A (en) * | 2010-03-23 | 2010-08-18 | 北京科技大学 | Low-noise copper ball skew rolling feed device with straightening function |
| CN104128366B (en) * | 2014-07-24 | 2017-02-01 | 安徽省宁国市东波紧固件有限公司 | Feeding assembly of strip mill |
| CN104803144A (en) * | 2015-04-27 | 2015-07-29 | 张家港市金邦铝业有限公司 | Aluminium product conveying device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2216438Y (en) * | 1994-12-23 | 1996-01-03 | 冶金工业部钢铁研究总院 | Conical roll core rod compound extender |
| JP2553929B2 (en) * | 1989-03-23 | 1996-11-13 | 新日本製鐵株式会社 | Thick steel plate edge forming control method |
| CN2470018Y (en) * | 2000-07-19 | 2002-01-09 | 攀枝花新钢钒股份有限公司热轧板厂 | Improved roller-shape pinch roll of coiling machine |
| CN2654238Y (en) * | 2003-10-28 | 2004-11-10 | 刘治 | Steel billet clamping and delivering device of headless rolling equipment |
-
2007
- 2007-08-31 CN CNB2007100550726A patent/CN100496782C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2553929B2 (en) * | 1989-03-23 | 1996-11-13 | 新日本製鐵株式会社 | Thick steel plate edge forming control method |
| CN2216438Y (en) * | 1994-12-23 | 1996-01-03 | 冶金工业部钢铁研究总院 | Conical roll core rod compound extender |
| CN2470018Y (en) * | 2000-07-19 | 2002-01-09 | 攀枝花新钢钒股份有限公司热轧板厂 | Improved roller-shape pinch roll of coiling machine |
| CN2654238Y (en) * | 2003-10-28 | 2004-11-10 | 刘治 | Steel billet clamping and delivering device of headless rolling equipment |
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| Publication number | Publication date |
|---|---|
| CN101112708A (en) | 2008-01-30 |
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Granted publication date: 20090610 |