CN107597848A - Double oil cylinder controllable type three rolls holding unit mechanisms - Google Patents
Double oil cylinder controllable type three rolls holding unit mechanisms Download PDFInfo
- Publication number
- CN107597848A CN107597848A CN201710905063.5A CN201710905063A CN107597848A CN 107597848 A CN107597848 A CN 107597848A CN 201710905063 A CN201710905063 A CN 201710905063A CN 107597848 A CN107597848 A CN 107597848A
- Authority
- CN
- China
- Prior art keywords
- armful
- core
- oil cylinder
- roller
- holding unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 16
- 238000003801 milling Methods 0.000 description 7
- 238000005242 forging Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Metal Extraction Processes (AREA)
Abstract
The invention belongs to seamless steel tube production chain appliance technology, more particularly to a kind of double oil cylinder controllable type three rolls holding unit mechanisms.The invention discloses double oil cylinder controllable type three rolls holding unit mechanisms, including the first oil cylinder and the second oil cylinder, the output end of the second described oil cylinder, which is connected with, embraces roller attachment means, the output end of the first described oil cylinder, which is connected with, embraces core attachment means, described core attachment means of embracing include first armful of core, second armful of core and the 3rd armful of core, also include the connector of first armful of core of connection, second armful of core and the 3rd armful of core, described first armful of core, second armful of core and the 3rd armful of core can be held tightly under the drive of the first oil cylinder to plug.The beneficial effects of the invention are as follows：The minimum jitter as far as possible of steel pipe can be controlled, improves production efficiency, ensures the even running of equipment, reduces the vibrations abrasion of equipment, is advantageous to the service life of extension device.
Description
Technical field
The invention belongs to seamless steel tube production chain appliance technology, more particularly to a kind of double oil cylinder controllable type three rolls holding units
Mechanism.
Background technology
Roller mill backstage is substantially using cylinder form at present, and the pipe in mill milling revolves in operation of rolling high speed
Produce and, in order to prevent its whipping excessive, influence normally to roll, so be all added on limitation using guide form substantially, allow pipe
Completion can smoothly be rolled.After the completion of rolling, then sent out by upgrading roller-way.Due to the guide hole size of each specification
It is fixed, so certain gap must be reserved between the outside dimension of guide hole size and the steel pipe of rolling, otherwise steel pipe
Even if completion can be rolled smoothly, can not also be sent out.If gap is stayed too much, steel pipe will easily be got rid of in the operation of rolling
Dynamic, gap is bigger, and whipping amplitude is bigger, is more unfavorable for controlling steel tube inner hole quality；Gap is stayed smaller, and steel pipe rolling is complete
Just it is more difficult to send out into rear.Particularly when there is slight non-triangle, it can not even more send out.In rolling process, steel pipe is at a high speed
With static guide sliding friction can occur for rotation, and when producing light-wall pipe, this force of sliding friction is plastically deformed more than steel pipe
During required power, steel pipe, which just occurs, rolls torsion phenomenon, influences the surface quality of steel pipe.Due to the size of guide endoporus be it is fixed,
So when changing specification every time, it is required for changing corresponding specification guide.By guide endoporus and the steel pipe rolled are present
Larger gap, so easily occurring whipping phenomenon in the operation of rolling, when the steel pipe whipping of high speed rotation gets up, it gets rid of
Dynamic dynamics is very big, is thus very easy to cause the vibrations of guide bearing pin to wear, or even the base by whole milling train backstage
Lower margin is got rid of and must loosened.
The content of the invention
It is an object of the invention to solve the problems, such as techniques discussed above, there is provided it is a kind of can control steel pipe as far as possible most
Small shake, steel tube inner hole quality is controlled so as to reach, light-wall pipe is also not easy the situation for being rolled torsion occur, saves and changes specification
When, the quality time of guide is changed, improves production efficiency, ensures the even running of equipment, the vibrations abrasion of equipment is reduced, has
It is as follows beneficial to double oil cylinder controllable type three rolls holding unit mechanisms of the service life of extension device, its technical scheme：
Double oil cylinder controllable type three rolls holding unit mechanisms, it is characterised in that including the first oil cylinder and the second oil cylinder, the second described oil cylinder
Output end be connected with and embrace a roller attachment means, a described roller attachment means of embracing include first armful of roller, second armful of roller and the 3rd armful of roller, and also
Include the connector of first armful of roller of connection, second armful of roller and the 3rd armful of roller, described first armful of roller, second armful of roller and the 3rd armful of roller
Steel pipe can be held tightly under the drive of the first oil cylinder；The output end of the first described oil cylinder, which is connected with, embraces core attachment means, described
Embracing core attachment means includes first armful of core, second armful of core and the 3rd armful of core, in addition to first armful of core of connection, second armful of core and the 3rd
The connector of core is embraced, described first armful of core, second armful of core and the 3rd armful of core can be held tightly under the drive of the first oil cylinder to plug.
Preferred embodiment is that described first armful of roller, second armful of roller and the 3rd armful of roller form equilateral triangle when holding steel pipe tightly
Shape.
Double oil cylinder controllable type three rolls holding unit mechanisms provided by the invention, when in use, the first oil cylinder drive first armful
Core, second armful of core and the 3rd armful of core can complete the holding to plug, can prevent the bounce of plug, cause the damage of steel pipe.
The amplitude of holding can be adjusted by the first oil cylinder according to different plug models simultaneously, without changing plug.The
It can complete the holding to steel pipe that two oil cylinders, which drive first armful of roller, second armful of roller and the 3rd armful of roller, can control using up for steel pipe
Possible minimum jitter, steel tube inner hole quality is controlled so as to reach, light-wall pipe is also not easy the situation for being rolled torsion occur.While the
Holding amplitude can be adjusted according to the model of different steel pipes in two oil cylinders, when changing specification so as to save, change guide
Quality time, improve production efficiency.
The beneficial effects of the invention are as follows：The minimum jitter as far as possible of steel pipe can be controlled, is controlled so as to reach in steel pipe
Hole quality, light-wall pipe are also not easy to occur being rolled the situation of torsion, save when changing specification, change the quality time of guide, improve
Production efficiency, ensures the even running of equipment, reduces the vibrations abrasion of equipment, is advantageous to the service life of extension device.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Embodiment
With reference to Fig. 1 specific illustrative embodiments：
Double oil cylinder controllable type three rolls holding unit mechanisms, including the first oil cylinder 1 and the second oil cylinder 2, the output end of the second described oil cylinder 2
It is connected with and embraces roller attachment means, described roller attachment means of embracing include first armful of roller, 3, second armfuls of rollers 4 and the 3rd armful of roller 5, in addition to
Connect the connector 6 of first armful of roller, 3, second armfuls of rollers 4 and the 3rd armful of roller 5, described first armful of roller, second armful of roller and the 3rd armful of roller
Steel pipe can be held tightly under the drive of the first oil cylinder；The output end of the first described oil cylinder 1, which is connected with, embraces core attachment means, described
Embracing core attachment means includes first armful of core, 7, second armfuls of cores 8 and the 3rd armful of core 9, in addition to connect first armful of core, second armful of core and
The connector of 3rd armful of core, described first armful of core, second armful of core and the 3rd armful of core can be to plugs under the drive of the first oil cylinder
Hold tightly.
Preferred embodiment is that described first armful of roller, second armful of roller and the 3rd armful of roller form equilateral triangle when holding steel pipe tightly
Shape.
Three rolls holding unit is controlled using double oil cylinders, and when milling train light-wall pipe, when milling train starts rolled steel tube, the first oil cylinder is lived
Stopper rod is ejected to setting good position.When steel pipe rolling enters in three rolls holding unit, the ejection of the second cylinder piston rod, reach final
The specification needed.First cylinder piston rod first stretches out, and is to preferably control the bounce of plug, and steel pipe is more preferable
Feeding.After steel pipe enters in three rolls holding unit, the second cylinder piston rod is fully extended, reaches the position for almost embracing firm pipe.When
When producing thick-walled pipe, due to smaller using plug, the first and second oil cylinders first stretch out simultaneously, and such plug is introduced into three rollers
When embracing core, embrace core and can be very good to control its whipping；When the steel pipe of rolling is prepared to enter into three rolls holding unit, the second cylinder piston rod
Retract, reach setting embraces roller opening degree.So use can control the minimum jitter as far as possible of steel pipe, so as to reach control
Good steel tube inner hole quality.
It is all to be filled with rolling bearing that three of three rolls holding unit, which are embraced in roller, and in the operation of rolling, steel pipe encounters three and embraces roller
When, embrace roller easily can just rotate at a high speed therewith, so in the operation of rolling, light-wall pipe is also not easy to occur being rolled torsion
Situation.
Three of three rolls holding unit, which embrace roller and three opening degrees for embracing core, to be controlled by hydraulic jack, can be according to production steel pipe
Specification regulate the first cylinder piston rod stretching length.When steel pipe rolling is completed, the piston rod of the first and second oil cylinders
All retract, reach maximum opening degree, roller-way is risen, and steel pipe just can easily be sent out.Save when changing specification, change guide
Quality time, improve production efficiency.
Due to whipping of the steel pipe in the operation of rolling, plug and steel pipe are all embraced roller and embrace core and tightly limited by three,
Too quickly whipping strength would not occur, so as to ensure the even running of equipment, reduce the vibrations abrasion of equipment, be advantageous to extend
The service life of equipment.
Hollow billet is sent into milling train foreground, rolled by rolling front roller-way and feeding plug and hollow billet together after the completion of plug is worn in advance
Machine.The hollow forging gone out by mill milling rotates at a high speed milling train backstage three rolls holding unit, reductor interstitial hole, until having rolled
Into.After the completion of rolling, hollow forging and plug are sent to by transverse chain bed by rise and fall roller, by entering de- rod work after transverse chain bed
Sequence.
Claims (2)
1. pair oil cylinder controllable type three rolls holding unit mechanism, it is characterised in that including the first oil cylinder and the second oil cylinder, the described second oil
The output end of cylinder, which is connected with, embraces roller attachment means, and described roller attachment means of embracing include first armful of roller, second armful of roller and the 3rd armful of roller,
Also include the connector of first armful of roller of connection, second armful of roller and the 3rd armful of roller, described first armful of roller, second armful of roller and the 3rd armful
Roller can be held tightly under the drive of the first oil cylinder to steel pipe；The output end of the first described oil cylinder, which is connected with, embraces core attachment means, described
A core attachment means of embracing include first armful of core, second armful of core and the 3rd armful of core, in addition to connect first armful of core, second armful of core and the
The connector of three armfuls of cores, described first armful of core, second armful of core and the 3rd armful of core can be embraced under the drive of the first oil cylinder to plug
Tightly.
2. oil cylinder controllable type three rolls holding unit mechanisms as claimed in claim 1 double, it is characterised in that described first armful of roller, the
Two armfuls of rollers and the 3rd armful of roller form equilateral triangle when holding steel pipe tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710905063.5A CN107597848A (en) | 2017-09-29 | 2017-09-29 | Double oil cylinder controllable type three rolls holding unit mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710905063.5A CN107597848A (en) | 2017-09-29 | 2017-09-29 | Double oil cylinder controllable type three rolls holding unit mechanisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107597848A true CN107597848A (en) | 2018-01-19 |
Family
ID=61059096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710905063.5A Withdrawn CN107597848A (en) | 2017-09-29 | 2017-09-29 | Double oil cylinder controllable type three rolls holding unit mechanisms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107597848A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417289A (en) * | 2008-09-23 | 2009-04-29 | 太原市通泽成套设备有限公司 | Core holding device of rolled steel tube |
| CN201572796U (en) * | 2009-12-17 | 2010-09-08 | 济南重工股份有限公司 | Three-roller centering device |
| CN102327904A (en) * | 2011-07-26 | 2012-01-25 | 太原通泽重工有限公司 | Three-roller centering device for rolling mill |
| CN205128597U (en) * | 2015-11-26 | 2016-04-06 | 通化钢铁集团磐石无缝钢管有限责任公司 | Mannesmann piercing set -top pole anti -shake moves device |
| CN207386163U (en) * | 2017-09-29 | 2018-05-22 | 浙江明贺钢管有限公司 | Double oil cylinder controllable type three rolls holding unit mechanisms |
-
2017
- 2017-09-29 CN CN201710905063.5A patent/CN107597848A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417289A (en) * | 2008-09-23 | 2009-04-29 | 太原市通泽成套设备有限公司 | Core holding device of rolled steel tube |
| CN201572796U (en) * | 2009-12-17 | 2010-09-08 | 济南重工股份有限公司 | Three-roller centering device |
| CN102327904A (en) * | 2011-07-26 | 2012-01-25 | 太原通泽重工有限公司 | Three-roller centering device for rolling mill |
| CN205128597U (en) * | 2015-11-26 | 2016-04-06 | 通化钢铁集团磐石无缝钢管有限责任公司 | Mannesmann piercing set -top pole anti -shake moves device |
| CN207386163U (en) * | 2017-09-29 | 2018-05-22 | 浙江明贺钢管有限公司 | Double oil cylinder controllable type three rolls holding unit mechanisms |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101947579A (en) | Side brackets of curve down type coiling machine | |
| CN104384192A (en) | Tube drawing machine and seamless tube rolling method | |
| CN207386163U (en) | Double oil cylinder controllable type three rolls holding unit mechanisms | |
| CN207386162U (en) | Milling train backstage Three-roll plug steadier | |
| CN103245280B (en) | A kind of drilling rod linearity testing apparatus | |
| CN107597848A (en) | Double oil cylinder controllable type three rolls holding unit mechanisms | |
| CN107159713A (en) | Hot rolled seamless steel tube skew rolling mill Foreground and Background plug supports rolling mill practice, equipment and technology entirely | |
| CN207238759U (en) | Hot rolled seamless steel tube skew rolling mill Foreground and Background plug supports the equipment of rolling to construct entirely | |
| CN204251015U (en) | A kind of Compound Fabric wrap-up | |
| CN107520251A (en) | Milling train backstage Three-roll plug steadier | |
| CN207386164U (en) | The related organization of Three-roll plug steadier | |
| CN201572796U (en) | Three-roller centering device | |
| CN103736733B (en) | Push cross-rolling device and method for thickening steel pipe partly | |
| CN202988233U (en) | Conveying belt transition device and conveying system | |
| CN201324753Y (en) | Novel pinch roll | |
| CN202824235U (en) | Clamping device of recoiling machine of hot rolled plate strip mill | |
| CN204583867U (en) | Middle alloy seamless pipe punch pipe disc type propulsion plant | |
| CN107497857A (en) | The related organization of Three-roll plug steadier | |
| CN205739665U (en) | A kind of reel machine of pressure adjustable carry-over pinch rolls | |
| CN204054459U (en) | Tri-roll press machine | |
| CN203886949U (en) | Auxiliary steel belt threading device | |
| CN205362224U (en) | Bundle pipe equipment of thin wall seamless steel pipe hot rolling mill | |
| CN109590416B (en) | Linkage type three-roller skew rolling mill | |
| CN203635693U (en) | Special winding machine for muffler barrel | |
| CN202052921U (en) | High-speed rotation supporting device of large-scale vertical centrifugal machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180119 |