CN105057359A - Full-hydraulic driving core rod supporting rack - Google Patents
Full-hydraulic driving core rod supporting rack Download PDFInfo
- Publication number
- CN105057359A CN105057359A CN201510429405.1A CN201510429405A CN105057359A CN 105057359 A CN105057359 A CN 105057359A CN 201510429405 A CN201510429405 A CN 201510429405A CN 105057359 A CN105057359 A CN 105057359A
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- China
- Prior art keywords
- backing roll
- frame body
- contiguous block
- connecting rod
- backup roller
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Abstract
The invention discloses a full-hydraulic driving core rod supporting rack. The full-hydraulic driving core rod supporting rack comprises a rack body and is characterized by also comprising a backup roller mechanism and a driving mechanism, wherein the backup roller mechanism comprises a connecting block, a first backup roller, a second backup roller and a third backup roller; the driving mechanism is a hydraulic cylinder fixedly arranged on the rack body; a piston shaft of the hydraulic cylinder is hinged to the connecting block; and a displacement sensor is arranged on the hydraulic cylinder. As the first backup roller, the second backup roller and the third backup roller are connected to the connecting block and the connecting block is driven by controlling the hydraulic cylinder, clamping or loosening of a core rod can be realized by the first backup roller, the second backup roller and the third backup roller, wherein the clamping indicates the tangent state of the backup rollers and the core rod. The displacement sensor is used for strictly controlling the stroke of the hydraulic cylinder, thereby realizing the accurate guiding, centering and releasing of the core rod.
Description
Technical field
The present invention relates to a kind of full hydraulic drive plug frames, particularly relate to and a kind ofly can realize accurate guiding to plug, full hydraulic drive plug frames to neutralization release.
Background technology
Limiting mandrel tandem rolling pipe machine is the most widely used tubulation unit in the current hot rolled seamless steel tube mode of production; Such unit is by the roll in multiple tandem rolling tube machine frame and the multiple different fixing pass of translational speed in check plug composition, produces the hot rolling hollow forging of certain wall thickness and external diameter.In limiting mandrel tandem rolling pipe machine, plug not only has an impact to the dimensional accuracy of steel pipe as the warp tool in steel pipe rolling process, and its surface quality plays conclusive effect to showing quality in steel pipe especially.MPM tube rolling mill is in the operation of rolling, before each frame stings steel successively and after throwing steel, plug is in the exposed pass being made up of continuous rolling mill roller, but because retained mandrel is long rod type component, thus the impact of conducting oneself with dignity in the operation of rolling brought because of retained mandrel caused brings spring, thus the concentricity of plug and roll pass cannot be ensured, cause mandrel surface to touch roll and bring damage to plug.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of full hydraulic drive plug frames, has the accurate guiding that can realize plug, the feature discharged neutralization.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of full hydraulic drive plug frames, comprise frame body, its innovative point is also to comprise: backing roll mechanism, described backing roll mechanism comprises the contiguous block be arranged on by the first hinge in described frame body, be fixedly installed on the first backing roll on described contiguous block, the second backing roll structure on described contiguous block is arranged on by the second hinge, the 3rd backing roll structure on described contiguous block is arranged on by the 3rd hinge, during original state, the central axis angle between any two of the central axis of the first backing roll and the central axis of the second backing roll structure and the 3rd backing roll structure is 60 degree, the nominal symmetrical centre that during original state, the first backing roll and the second backing roll structure and the 3rd backing roll structure three are formed overlaps with roll line during steel rod to be rolled, and during original state the first backing roll and the second backing roll structure and the 3rd backing roll structure all tangent with plug, the central axis of this plug overlaps with roll line, driving mechanism, described driving mechanism is be fixedly installed on the hydraulic cylinder in described frame body, and piston axle and the described contiguous block of this hydraulic cylinder are hinged, and described hydraulic cylinder is provided with displacement transducer.
Preferably, the second backing roll that described second backing roll structure comprises the second connecting rod and is hinged with described second connecting rod, described second connecting rod is connected with described contiguous block by described second bearing pin.
Preferably, described second backing roll is movably connected in described frame body by the 4th bearing pin.
Preferably, the 3rd backing roll that described 3rd backing roll structure comprises the 3rd connecting rod and is hinged with described 3rd connecting rod, described 3rd connecting rod is connected with described contiguous block by described 3rd bearing pin.
Preferably, described 3rd backing roll is movably connected in described frame body by the 5th bearing pin.
Preferably, described frame body is provided with cross sliding clock, described cross sliding clock is arranged on the bottom surface of frame body.
Preferably, described frame body is provided with perpendicular positioning block, described perpendicular positioning is arranged on the bottom surface of frame body.
The invention has the advantages that: because the first backing roll, the second backing roll structure are connected with contiguous block respectively with the 3rd backing roll structure, contiguous block is driven by hydraulic control cylinder, thus realize the occlusion of the first backing roll, the second backing roll and the 3rd backing roll or unclamp plug, above-mentioned occlusion is backing roll and the tangent state of plug, utilize the stroke of the strict hydraulic control cylinder of displacement transducer, thus realization is to the accurate guiding of plug, to neutralization release.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, further detailed description is done to the present invention:
Fig. 1 is the structural representation of a kind of full hydraulic drive plug of the present invention frames;
In figure: 1-frame body, 2-first bearing pin, 3-contiguous block, 4-first backing roll, 5-second bearing pin, 6-second backing roll, 7-the 3rd bearing pin, 8-the 3rd backing roll, 9-plug, 10-second connecting rod, 11-the 3rd connecting rod, 12-hydraulic cylinder, 13-displacement transducer, 14-cross sliding clock, 15-perpendicular positioning block.
Detailed description of the invention
Full hydraulic drive plug 9 frames of the present invention, comprises frame body 1, backing roll mechanism and driving mechanism.
Backing roll mechanism comprise by the hinged contiguous block 3 be arranged in frame body 1 of the first bearing pin 2, the first backing roll 4 be fixedly installed on contiguous block 3, by hinged the second backing roll structure be arranged on contiguous block 3 of the second bearing pin 5, by hinged the 3rd backing roll 8 structure be arranged on contiguous block 3 of the 3rd bearing pin 7.During original state, the central axis angle between any two of the central axis of the first backing roll 4 and the central axis of the second backing roll structure and the 3rd backing roll 8 structure is 60 degree; The nominal symmetrical centre that during original state, the first backing roll 4 and the second backing roll structure and the 3rd backing roll 8 structure three are formed overlaps with roll line during steel rod to be rolled; And during original state the first backing roll 4 and the second backing roll structure and the 3rd backing roll 8 structure all tangent with plug 9, the central axis of this plug 9 overlaps with roll line.
The second above-mentioned backing roll structure is comprised the second connecting rod 10 and is connected with contiguous block 3 by the second bearing pin 5 with the second backing roll 6, second connecting rod 10 that the second connecting rod 10 is hinged, and the second backing roll 6 is movably connected in frame body 1 by the 4th bearing pin.The 3rd above-mentioned backing roll 8 structure is comprised the 3rd connecting rod 11 and is connected with contiguous block 3 by the 3rd bearing pin 7 with the 3rd backing roll the 8, three connecting rod 11 that the 3rd connecting rod 11 is hinged, and the 3rd backing roll 8 is movably connected in frame body 1 by the 5th bearing pin.
Driving mechanism is the hydraulic cylinder 12 be fixedly installed in frame body 1, and piston axle and the contiguous block 3 of this hydraulic cylinder 12 are hinged, and hydraulic cylinder 12 are provided with displacement transducer 13.
In order to nominal symmetrical centre when ensureing the first backing roll 4, second backing roll 6 and the 3rd backing roll 8 original state overlaps with roll line, frame body 1 is provided with cross sliding clock 14, cross sliding clock 14 is arranged on the bottom surface of frame body 1; Frame body 1 is provided with perpendicular positioning block 15, perpendicular positioning is arranged on the bottom surface of frame body 1.
During concrete action: when driving contiguous block 3 one end be connected with hydraulic cylinder 12 piston axle to move upward by hydraulic control cylinder 12, contiguous block 3 has done clockwise movement relative to original state, and now the first backing roll 4 clockwise movement is no longer engaged plug 9; Meanwhile, in the second backing roll structure, the second backing roll 6 does clockwise movement around the 4th bearing pin, thus is no longer engaged plug 9; Meanwhile, in the 3rd backing roll 8 structure, the 3rd backing roll 8 does clockwise movement around the 5th bearing pin, thus is no longer engaged plug 9.Otherwise finally make the first backing roll 4, second backing roll structure and the 3rd backing roll 8 structure be returned to original state, be namely engaged plug 9.
Finally it should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention and non-limiting technical scheme, those of ordinary skill in the art is to be understood that, those are modified to technical scheme of the present invention or equivalent replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of right of the present invention.
Claims (7)
1. a full hydraulic drive plug frames, comprise frame body, characterized by further comprising: backing roll mechanism, described backing roll mechanism comprises the contiguous block be arranged on by the first hinge in described frame body, be fixedly installed on the first backing roll on described contiguous block, the second backing roll structure on described contiguous block is arranged on by the second hinge, the 3rd backing roll structure on described contiguous block is arranged on by the 3rd hinge, during original state, the central axis angle between any two of the central axis of the first backing roll and the central axis of the second backing roll structure and the 3rd backing roll structure is 60 degree, the nominal symmetrical centre that during original state, the first backing roll and the second backing roll structure and the 3rd backing roll structure three are formed overlaps with roll line during steel rod to be rolled, and during original state the first backing roll and the second backing roll structure and the 3rd backing roll structure all tangent with plug, the central axis of this plug overlaps with roll line,
Driving mechanism, described driving mechanism is be fixedly installed on the hydraulic cylinder in described frame body, and piston axle and the described contiguous block of this hydraulic cylinder are hinged, and described hydraulic cylinder is provided with displacement transducer.
2. a kind of full hydraulic drive plug frames as claimed in claim 1, it is characterized in that: the second backing roll that described second backing roll structure comprises the second connecting rod and is hinged with described second connecting rod, described second connecting rod is connected with described contiguous block by described second bearing pin.
3. a kind of full hydraulic drive plug frames as claimed in claim 2, is characterized in that: described second backing roll is movably connected in described frame body by the 4th bearing pin.
4. a kind of full hydraulic drive plug frames as claimed in claim 1, it is characterized in that: the 3rd backing roll that described 3rd backing roll structure comprises the 3rd connecting rod and is hinged with described 3rd connecting rod, described 3rd connecting rod is connected with described contiguous block by described 3rd bearing pin.
5. a kind of full hydraulic drive plug frames as claimed in claim 4, is characterized in that: described 3rd backing roll is movably connected in described frame body by the 5th bearing pin.
6. a kind of full hydraulic drive plug frames as claimed in claim 1, it is characterized in that: described frame body is provided with cross sliding clock, described cross sliding clock is arranged on the bottom surface of frame body.
7. a kind of full hydraulic drive plug frames as claimed in claim 1, it is characterized in that: described frame body is provided with perpendicular positioning block, described perpendicular positioning is arranged on the bottom surface of frame body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510429405.1A CN105057359A (en) | 2015-07-21 | 2015-07-21 | Full-hydraulic driving core rod supporting rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510429405.1A CN105057359A (en) | 2015-07-21 | 2015-07-21 | Full-hydraulic driving core rod supporting rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105057359A true CN105057359A (en) | 2015-11-18 |
Family
ID=54486995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510429405.1A Pending CN105057359A (en) | 2015-07-21 | 2015-07-21 | Full-hydraulic driving core rod supporting rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105057359A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159713A (en) * | 2017-05-27 | 2017-09-15 | 成都诚悟钢管技术有限公司 | Hot rolled seamless steel tube skew rolling mill Foreground and Background plug supports rolling mill practice, equipment and technology entirely |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06142722A (en) * | 1992-11-10 | 1994-05-24 | Sumitomo Metal Ind Ltd | Device for measuring center of bar steadyer |
| CN101468360A (en) * | 2007-12-25 | 2009-07-01 | 无锡西姆莱斯石油专用管制造有限公司 | Seamless oil well steel tube restraint tandem rolling processing method and special-purpose equipment |
| CN201338009Y (en) * | 2009-02-18 | 2009-11-04 | 鞍山安信制管设备设计研究有限公司 | Full hydraulic core rod controller |
| CN102327899A (en) * | 2011-10-11 | 2012-01-25 | 太原重工股份有限公司 | Mandrel support device of mandrel pipe mill and mandrel pipe mill |
| CN102873101A (en) * | 2012-09-17 | 2013-01-16 | 太原通泽重工有限公司 | Mandrel support device capable of being quickly moved out of steel pipe rolling line |
| CN203140432U (en) * | 2013-02-22 | 2013-08-21 | 无锡西姆莱斯石油专用管制造有限公司 | Three-roller mandrel supporting device |
| CN203565472U (en) * | 2013-12-03 | 2014-04-30 | 中冶赛迪工程技术股份有限公司 | Mandrel supporting device for rolling pipe fitting |
| CN204842460U (en) * | 2015-07-21 | 2015-12-09 | 江苏华菱锡钢特钢有限公司 | Full hydraulic drive plug supports frame |
-
2015
- 2015-07-21 CN CN201510429405.1A patent/CN105057359A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06142722A (en) * | 1992-11-10 | 1994-05-24 | Sumitomo Metal Ind Ltd | Device for measuring center of bar steadyer |
| CN101468360A (en) * | 2007-12-25 | 2009-07-01 | 无锡西姆莱斯石油专用管制造有限公司 | Seamless oil well steel tube restraint tandem rolling processing method and special-purpose equipment |
| CN201338009Y (en) * | 2009-02-18 | 2009-11-04 | 鞍山安信制管设备设计研究有限公司 | Full hydraulic core rod controller |
| CN102327899A (en) * | 2011-10-11 | 2012-01-25 | 太原重工股份有限公司 | Mandrel support device of mandrel pipe mill and mandrel pipe mill |
| CN102873101A (en) * | 2012-09-17 | 2013-01-16 | 太原通泽重工有限公司 | Mandrel support device capable of being quickly moved out of steel pipe rolling line |
| CN203140432U (en) * | 2013-02-22 | 2013-08-21 | 无锡西姆莱斯石油专用管制造有限公司 | Three-roller mandrel supporting device |
| CN203565472U (en) * | 2013-12-03 | 2014-04-30 | 中冶赛迪工程技术股份有限公司 | Mandrel supporting device for rolling pipe fitting |
| CN204842460U (en) * | 2015-07-21 | 2015-12-09 | 江苏华菱锡钢特钢有限公司 | Full hydraulic drive plug supports frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159713A (en) * | 2017-05-27 | 2017-09-15 | 成都诚悟钢管技术有限公司 | Hot rolled seamless steel tube skew rolling mill Foreground and Background plug supports rolling mill practice, equipment and technology entirely |
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Application publication date: 20151118 |
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