CN103084405B - Novel roll gap adjusting device of short-stress-path rolling mill - Google Patents
Novel roll gap adjusting device of short-stress-path rolling mill Download PDFInfo
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- CN103084405B CN103084405B CN201310029135.6A CN201310029135A CN103084405B CN 103084405 B CN103084405 B CN 103084405B CN 201310029135 A CN201310029135 A CN 201310029135A CN 103084405 B CN103084405 B CN 103084405B
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- separating mechanism
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Abstract
The invention relates to the technical field of metallurgy rolling, in particular to a novel roll gap adjusting device of a short-stress-path rolling mill, wherein the roll gap adjusting device of the short-stress-path rolling mill is simple in structure and smooth in operation. The roll gap adjusting device of the short-stress-path rolling mill is composed of a roll system device, a draw rod device and a screw-down device which is used a straight gear as an output gear. The draw rod device comprises a draw rod. The draw rod is provided with an adjusting nut. A pressure-bearing sleeve is arranged on the lower portion of the adjusting nut. A ball face cushion is arranged on the lower portion of the pressure-bearing sleeve. A pressure-bearing flange is arranged on the lower portion of the ball face cushion. A locking pin is arranged on the adjusting nut. The locking pin is provided with a tooth-shaped head. The roll gap adjusting device of the short-stress-path rolling mill is simple in structure, smooth in operation, convenient to install and maintain.
Description
Technical field
The present invention relates to metallurgy rolling technical field, particularly relate to that a kind of structure is simple, the roll-separating mechanism of the novel short stress path rolling mill of smooth movements.
Background technology
The roll-separating mechanism of short stress path rolling mill is made up of screwdown gear, pull rod device, roller system device usually.Screwdown gear mainly comprises hydraulic motor, reduction box; Pull rod device mainly comprises pull bar, adjusting nut, locking pin, pressure-bearing cover, ball ring, bearing flange, supporting seat; Roller system device mainly comprises roll, bearing block.Operation principle: by fluid motor-driven, four pull bars are given by power transmission by reduction box, drive metal (upper seat rectilinear motion by the adjusting nut be fixed on bearing block when pull bar (the upper and lower two ends of pull bar are respectively processed with left and right rotation direction screw thread) rotates, thus realize the symmetry adjustment of roll gap.Gear-box due to the screwdown gear of existing roll-separating mechanism adopts bevel gear to export, the rotation direction that the left and right sides is exported is contrary, thus make the rotation direction of the left and right sides with matching pull bar, adjusting nut contrary, add the spare part quantity of pull bar and adjusting nut, and the installation accuracy of left and right sides bevel gear shaft not easily ensures, installation and maintenance are inconvenient; Adjusting nut in pull rod device adopts straight pin to fix, and causes Planar Mechanisms, adds harmful stress, affect the smooth and easy running of equipment.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of structure is simple, the roll-separating mechanism of the novel short stress path rolling mill of smooth movements.
For solving the problems of the technologies described above, the invention provides a kind of roll-separating mechanism of novel short stress path rolling mill, be made up of roller system device, pull rod device and the employing spur gear screwdown gear as output gear, described pull rod device comprises pull bar, and described pull bar is provided with adjusting nut, is provided with pressure-bearing cover below described adjusting nut, described pressure-bearing cover below is provided with ball ring, be provided with bearing flange below described ball ring, described adjusting nut is provided with locking pin, described locking pin is provided with profile of tooth head.Screwdown gear of the present invention adopts spur gear to export, and export rotation direction identical, make Tiebar structure identical, decrease spare part quantity, improve installation accuracy, installation and maintenance is more convenient; The locking pin being arranged on the pull rod device on adjusting nut is provided with profile of tooth head, effectively can limit the rotary motion of adjusting nut, avoids causing Planar Mechanisms simultaneously, decreases harmful stress.
As preferably, described bearing flange is provided with many horizontal oil grooves and vertical oil groove, and described horizontal oil groove is connected with vertical oil groove.Existing bearing flange inside only has longitudinal oil groove, and separated from one another, lubricant effect is bad, and the present invention sets up horizontal oil groove, and horizontal oil groove and vertical oil groove is interconnected mutually, enhances lubricant effect.
As preferably, described pressure-bearing cover is linear contact lay with the contact form of ball ring.This structure is convenient to processing.
As preferably, described ball ring and pressure-bearing are overlapped contact surface and are provided with arc boss.This construction reduce unwanted contact area, decrease the mutual wearing and tearing of part.
As preferably, the endoporus wall of described ball ring is in vertical direction with angle α, and the angle of described α is 2 ~ 6 °.This structure plays guide effect, improves self-align performance during pull bar flexural deformation.
As preferably, described ball ring is greater than by hardness the material that pressure-bearing overlaps and makes.This structure can make preferential wear pressure-bearing cover in equipment operation process, and protection major part, improves the stability of equipment operation, reduce the maintenance cost of equipment.
As preferably, described roller system device and pull bar cooperation place are provided with dust ring gland.This structure can available protecting pull bar from the external world mix dirt impact, make it run smoothness.
As preferably, described dust ring gland is made up of gland, inner side rotary shaft lip seal and outside dust ring.This structure can effectively stop entering of the foreign material such as water, oil, slag, dirt, good to the protected effect of pull bar.
The present invention compared with prior art has the following advantages: screwdown gear adopts spur gear to export, and more easily ensures installation accuracy, exports rotation direction identical, improves interchangeability of parts, decrease spare part quantity, save investment; Locking pin arranges profile of tooth head and avoids Planar Mechanisms, eliminates harmful stress, and locking effect is good; UNICOM's oil groove design of bearing flange improves lubricant effect; Ball ring and pressure-bearing cover are more easily processed, and decrease unwanted contact area, improve self-align performance, protect major part; The good sealing effect of bearing block and pull bar, effectively prevents entering of the foreign material such as water, oil, slag, dirt, protects pull bar.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the roll-separating mechanism of a kind of novel short stress path rolling mill of the present invention.
Accompanying drawing 2 is part A schematic enlarged-scale view in Fig. 1.
Accompanying drawing 3 is a kind of locking pin structural representation of the present invention.
Accompanying drawing 4 is a kind of bearing flange structural representation of the present invention.
Accompanying drawing 5 is a kind of ball ring of the present invention and pressure-bearing cover fit structure schematic diagram.
Accompanying drawing 6 is a kind of dust ring gland structure of the present invention schematic diagram.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, be described in further detail technical scheme of the present invention, obviously, described embodiment is only section Example of the present invention.
Embodiment 1:
See accompanying drawing 1 ~ 6, the roll-separating mechanism of a kind of novel short stress path rolling mill of the present invention, be made up of roller system device 3, pull rod device 2 and the employing spur gear screwdown gear 1 as output gear, described pull rod device 2 comprises pull bar 4, described pull bar 4 is provided with adjusting nut 5, pressure-bearing cover 7 is provided with below described adjusting nut 5, ball ring 8 is provided with below described pressure-bearing cover 7, bearing flange 10 is provided with below described ball ring 8, described adjusting nut 5 is provided with locking pin 6, and described locking pin 6 is provided with profile of tooth 14.Described roller system device 3 and pull bar 4 cooperation place are provided with the dust ring gland 9 be made up of gland, inner side rotary shaft lip seal and outside dust ring, strengthen the effect of its waterproof, oil, slag, dirt.Gear-box due to the screwdown gear of existing roll-separating mechanism adopts bevel gear to export, the rotation direction that the left and right sides is exported is contrary, thus make the rotation direction of the left and right sides with matching pull bar, adjusting nut contrary, add the spare part quantity of pull bar and adjusting nut, and the installation accuracy of left and right sides bevel gear shaft not easily ensures, installation and maintenance are inconvenient; Adjusting nut in pull rod device adopts straight pin to fix, and causes Planar Mechanisms, adds harmful stress, affect the smooth and easy running of equipment.And screwdown gear of the present invention adopts spur gear to export, export rotation direction identical, make Tiebar structure identical, decrease spare part quantity, improve installation accuracy, installation and maintenance is more convenient; The locking pin being arranged on the pull rod device on adjusting nut is provided with profile of tooth head, effectively can limit the rotary motion of adjusting nut, avoids causing Planar Mechanisms simultaneously, decreases harmful stress.
Described bearing flange 10 is provided with many horizontal oil grooves 11 and vertical oil groove 12, and described horizontal oil groove is connected with vertical oil groove.Described pressure-bearing cover 7 is linear contact lay with the contact form of ball ring 8, described ball ring 8 overlaps 7 contact surfaces with pressure-bearing and is provided with arc boss 13, the endoporus wall of described ball ring 8 is in vertical direction with angle α, the angle of described α is 4 °, the material that described ball ring 8 is greater than pressure-bearing cover 7 by hardness is made, boss can do nitrogen treatment, the performances such as it is wear-resisting to improve, endurance.
The present invention compared with prior art has the following advantages: screwdown gear adopts spur gear to export, and more easily ensures installation accuracy, exports rotation direction identical, improves interchangeability of parts, decrease spare part quantity, save investment; Locking pin arranges profile of tooth head and avoids Planar Mechanisms, eliminates harmful stress, and locking effect is good; UNICOM's oil groove design of bearing flange improves lubricant effect; Ball ring and pressure-bearing cover are more easily processed, and decrease unwanted contact area, improve self-align performance, protect major part; The good sealing effect of bearing block and pull bar, effectively prevents entering of the foreign material such as water, oil, slag, dirt, protects pull bar.
Should be understood that above-described embodiment is only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Claims (6)
1. the roll-separating mechanism of a short stress path rolling mill, it is characterized in that: by roller system device (3), pull rod device (2) and adopt spur gear to form as the screwdown gear (1) of output gear, described pull rod device (2) comprises pull bar (4), described pull bar (4) is provided with adjusting nut (5), described adjusting nut (5) below is provided with pressure-bearing cover (7), described pressure-bearing cover (7) below is provided with ball ring (8), described ball ring (8) below is provided with bearing flange (10), described adjusting nut (5) is provided with locking pin (6), described locking pin (6) is provided with profile of tooth head (14), described bearing flange (10) is provided with many horizontal oil grooves (11) and vertical oil groove (12), and described horizontal oil groove is connected with vertical oil groove, the endoporus wall of described ball ring (8) is in vertical direction with angle α, and the angle of described α is 2 ~ 6 °.
2. the roll-separating mechanism of short stress path rolling mill according to claim 1, is characterized in that: described pressure-bearing cover (7) is linear contact lay with the contact form of ball ring (8).
3. the roll-separating mechanism of short stress path rolling mill according to claim 1, is characterized in that: described ball ring (8) and pressure-bearing cover (7) contact surface are provided with arc boss (13).
4. the roll-separating mechanism of short stress path rolling mill according to claim 1, is characterized in that: the material that described ball ring (8) is greater than pressure-bearing cover (7) by hardness is made.
5. the roll-separating mechanism of short stress path rolling mill according to claim 1, is characterized in that: described roller system device (3) and pull bar (4) cooperation place are provided with dust ring gland (9).
6. the roll-separating mechanism of short stress path rolling mill according to claim 5, is characterized in that: described dust ring gland (9) is made up of gland, inner side rotary shaft lip seal and outside dust ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310029135.6A CN103084405B (en) | 2013-01-25 | 2013-01-25 | Novel roll gap adjusting device of short-stress-path rolling mill |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310029135.6A CN103084405B (en) | 2013-01-25 | 2013-01-25 | Novel roll gap adjusting device of short-stress-path rolling mill |
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| Publication Number | Publication Date |
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| CN103084405A CN103084405A (en) | 2013-05-08 |
| CN103084405B true CN103084405B (en) | 2015-03-25 |
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| CN201310029135.6A Active CN103084405B (en) | 2013-01-25 | 2013-01-25 | Novel roll gap adjusting device of short-stress-path rolling mill |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105478485B (en) * | 2015-11-19 | 2019-02-12 | 内蒙古包钢钢联股份有限公司 | The method for improving short stress rolling mill precision |
| CN107900300B (en) * | 2017-11-30 | 2023-08-15 | 中冶连铸技术工程有限责任公司 | Sector section roll gap adjusting device of slab continuous casting machine |
| CN109013707B (en) * | 2018-09-29 | 2024-03-19 | 中重科技(天津)股份有限公司 | Pull rod connecting structure in short stress line rolling mill |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2525687A (en) * | 1946-04-10 | 1950-10-10 | Nat Tube Co | Separation device for rolling mills |
| CN2291979Y (en) * | 1996-01-16 | 1998-09-23 | 金英子 | Combined high-precision rolling machine |
| CN102000701A (en) * | 2010-11-24 | 2011-04-06 | 马鞍山钢铁股份有限公司 | Reduction adjustment device of short stress path rolling mill |
| CN102247984A (en) * | 2011-06-29 | 2011-11-23 | 北京京诚瑞信长材工程技术有限公司 | Short-stress wire rolling mill |
| CN202516852U (en) * | 2011-12-28 | 2012-11-07 | 一重集团大连设计研究院有限公司 | Screw-down reducer of short stress path rolling mill |
| CN203124423U (en) * | 2013-01-25 | 2013-08-14 | 中冶南方工程技术有限公司 | Roller gap adjusting device of novel short-stress-path rolling mill |
-
2013
- 2013-01-25 CN CN201310029135.6A patent/CN103084405B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2525687A (en) * | 1946-04-10 | 1950-10-10 | Nat Tube Co | Separation device for rolling mills |
| CN2291979Y (en) * | 1996-01-16 | 1998-09-23 | 金英子 | Combined high-precision rolling machine |
| CN102000701A (en) * | 2010-11-24 | 2011-04-06 | 马鞍山钢铁股份有限公司 | Reduction adjustment device of short stress path rolling mill |
| CN102247984A (en) * | 2011-06-29 | 2011-11-23 | 北京京诚瑞信长材工程技术有限公司 | Short-stress wire rolling mill |
| CN202516852U (en) * | 2011-12-28 | 2012-11-07 | 一重集团大连设计研究院有限公司 | Screw-down reducer of short stress path rolling mill |
| CN203124423U (en) * | 2013-01-25 | 2013-08-14 | 中冶南方工程技术有限公司 | Roller gap adjusting device of novel short-stress-path rolling mill |
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| CN103084405A (en) | 2013-05-08 |
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