CN103084405A - 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
- Publication number
- CN103084405A CN103084405A CN2013100291356A CN201310029135A CN103084405A CN 103084405 A CN103084405 A CN 103084405A CN 2013100291356 A CN2013100291356 A CN 2013100291356A CN 201310029135 A CN201310029135 A CN 201310029135A CN 103084405 A CN103084405 A CN 103084405A
- Authority
- CN
- China
- Prior art keywords
- rolling mill
- roll
- path rolling
- separating mechanism
- pressure
- 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.)
- Granted
Links
Images
Landscapes
- Rolling Contact Bearings (AREA)
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 the metallurgy rolling technical field, relate in particular to a kind of simple in structure, running roll-separating mechanism of novel short stress path rolling mill smoothly.
Background technology
The roll-separating mechanism of short stress path rolling mill is installation composition by screwdown gear, pull rod device, roller 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 is that device mainly comprises roll, bearing block.Operation principle: by fluid motor-driven, give four pull bars by reduction box with transmission of power, pull bar (two ends, pull bar up and down respectively are processed with left and right rotation direction screw thread) drives metal (upper seat rectilinear motion by the adjusting nut that is fixed on bearing block when rotating, thereby realizes the symmetry adjustment of roll gap.Gear-box employing bevel gear output due to the screwdown gear that has roll-separating mechanism now, make the rotation direction of left and right sides output opposite, thereby make the rotation direction of the left and right sides with matching pull bar, adjusting nut opposite, increased the spare part quantity of pull bar and adjusting nut, and the installation accuracy of left and right sides bevel gear shaft is difficult for assurance, the installation and maintenance inconvenience; Adjusting nut in pull rod device adopts straight pin to fix, and causes constraint, has increased harmful stress, affects the smooth and easy running of equipment.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in structure, running roll-separating mechanism of novel short stress path rolling mill smoothly.
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, being device, pull rod device and employing spur gear by roller forms as the screwdown gear of output gear, described pull rod device comprises pull bar, and described pull bar is provided with adjusting nut, is provided with the pressure-bearing cover below described adjusting nut, described pressure-bearing cover below is provided with ball ring, described ball ring below is provided with bearing flange, is provided with locking pin on described adjusting nut, and described locking pin is provided with the profile of tooth head.Screwdown gear of the present invention adopts spur gear output, and the output rotation direction is identical, makes Tiebar structure identical, has reduced spare part quantity, has improved installation accuracy, and installation and maintenance is more convenient; The locking pin that is arranged on the pull rod device on adjusting nut is provided with the profile of tooth head, can effectively limit rotatablely moving of adjusting nut, avoids simultaneously causing constraint, has reduced 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 vertical 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 are interconnected mutually, has strengthened lubricant effect.
As preferably, described pressure-bearing cover is that line contacts with the contact form of ball ring.This structure is convenient to processing.
As preferably, described ball ring and pressure-bearing cover contact-making surface are provided with arc boss.This structure decrease harmful contact area, reduced 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, the self-align performance when having improved pull bar flexural deformation.
As preferably, described ball ring is made greater than the material of pressure-bearing cover by hardness.This structure can make preferential wear pressure-bearing cover in the equipment operation process, protects major part, has improved the stability of equipment operation, has reduced the maintenance cost of equipment.
As preferably, described roller is that device and pull bar cooperation place are provided with the dust ring gland.This structure can effectively protect pull bar to avoid extraneous assorted dirt impact, makes its operation smooth.
As preferably, described dust ring gland is comprised of gland, inboard rotary shaft lip seal and outside dust ring.This structure can effectively stop entering of the foreign material such as water, oil, slag, dirt, and is effective to the protection of pull bar.
The present invention compared with prior art has the following advantages: screwdown gear adopts spur gear output, more easily guarantees installation accuracy, and the output rotation direction is identical, has improved interchangeability of parts, has reduced spare part quantity, has saved investment; Locking pin arranges the profile of tooth head and has avoided crossing constraint, has eliminated harmful stress, and locking effect is good; UNICOM's oil groove design of bearing flange has improved lubricant effect; Ball ring and the more easily processing of pressure-bearing cover have reduced harmful contact area, have improved self-align performance, have protected major part; The good sealing effect of bearing block and pull bar has effectively stoped entering of the foreign material such as water, oil, slag, dirt, has protected pull bar.
Description of drawings
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 A part-structure enlarged drawing 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.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail, obviously, described embodiment is only part embodiment of the present invention.
Embodiment 1:
Referring to accompanying drawing 1～6, the roll-separating mechanism of a kind of novel short stress path rolling mill of the present invention, be device 3, pull rod device 2 and adopt spur gear to form as the screwdown gear 1 of output gear by roller, described pull rod device 2 comprises pull bar 4, described pull bar 4 is provided with adjusting nut 5, described adjusting nut 5 belows are provided with pressure-bearing cover 7, described pressure-bearing cover 7 belows are provided with ball ring 8, described ball ring 8 belows are provided with bearing flange 10, be provided with locking pin 6 on described adjusting nut 5, described locking pin 6 is provided with profile of tooth 14.To be device 3 be provided with pull bar 4 cooperation places the dust ring gland 9 that is comprised of gland, inboard rotary shaft lip seal and outside dust ring to described roller, strengthens the effect of its waterproof, oil, slag, dirt.Gear-box employing bevel gear output due to the screwdown gear that has roll-separating mechanism now, make the rotation direction of left and right sides output opposite, thereby make the rotation direction of the left and right sides with matching pull bar, adjusting nut opposite, increased the spare part quantity of pull bar and adjusting nut, and the installation accuracy of left and right sides bevel gear shaft is difficult for assurance, the installation and maintenance inconvenience; Adjusting nut in pull rod device adopts straight pin to fix, and causes constraint, has increased harmful stress, affects the smooth and easy running of equipment.And screwdown gear of the present invention adopts spur gear output, and the output rotation direction is identical, makes Tiebar structure identical, has reduced spare part quantity, has improved installation accuracy, and installation and maintenance is more convenient; The locking pin that is arranged on the pull rod device on adjusting nut is provided with the profile of tooth head, can effectively limit rotatablely moving of adjusting nut, avoids simultaneously causing constraint, has reduced 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 that line contacts with the contact form of ball ring 8, described ball ring 8 is provided with arc boss 13 with pressure-bearing cover 7 contact-making surfaces, the endoporus wall of described ball ring 8 is in vertical direction with angle α, the angle of described α is 4 °, described ball ring 8 is made greater than the material of pressure-bearing cover 7 by hardness, boss can be done 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 output, more easily guarantees installation accuracy, and the output rotation direction is identical, has improved interchangeability of parts, has reduced spare part quantity, has saved investment; Locking pin arranges the profile of tooth head and has avoided crossing constraint, has eliminated harmful stress, and locking effect is good; UNICOM's oil groove design of bearing flange has improved lubricant effect; Ball ring and the more easily processing of pressure-bearing cover have reduced harmful contact area, have improved self-align performance, have protected major part; The good sealing effect of bearing block and pull bar has effectively stoped entering of the foreign material such as water, oil, slag, dirt, has protected pull bar.
Should be understood that above-described embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (8)
1. the roll-separating mechanism of a novel short stress path rolling mill, it is characterized in that: be device (3) by roller, pull rod device (2) and employing spur gear 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), be provided with locking pin (6) on described adjusting nut (5), described locking pin (6) is provided with profile of tooth head (14).
2. the roll-separating mechanism of novel short stress path rolling mill according to claim 1 is characterized in that: 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.
3. the roll-separating mechanism of novel short stress path rolling mill according to claim 1, it is characterized in that: described pressure-bearing cover (7) is that line contacts with the contact form of ball ring (8).
4. the roll-separating mechanism of novel short stress path rolling mill according to claim 4 is characterized in that: described ball ring (8) is provided with arc boss (13) with pressure-bearing cover (7) contact-making surface.
5. the roll-separating mechanism of novel short stress path rolling mill according to claim 1, it is characterized in that: the endoporus wall of described ball ring (8) is in vertical direction with angle α, and the angle of described α is 2 ~ 6 °.
6. the roll-separating mechanism of according to claim 1 or 3 or 4 or 5 described novel short stress path rolling mills, it is characterized in that: described ball ring (8) is made greater than the material of pressure-bearing cover (7) by hardness.
7. the roll-separating mechanism of novel short stress path rolling mill according to claim 1 is characterized in that: to be device (3) be provided with dust ring gland (9) with pull bar (4) cooperation place to described roller.
8. the roll-separating mechanism of novel short stress path rolling mill according to claim 7, it is characterized in that: described dust ring gland (9) is comprised of gland, inboard 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103084405A true CN103084405A (en) | 2013-05-08 |
| CN103084405B CN103084405B (en) | 2015-03-25 |
Family
ID=48197822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310029135.6A Active CN103084405B (en) | 2013-01-25 | 2013-01-25 | Novel roll gap adjusting device of short-stress-path rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103084405B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478485A (en) * | 2015-11-19 | 2016-04-13 | 内蒙古包钢钢联股份有限公司 | Method of improving precision of short-stress rolling mill |
| CN107900300A (en) * | 2017-11-30 | 2018-04-13 | 中冶连铸技术工程有限责任公司 | A kind of fan-shaped sections of slab continuous roll-separating mechanism |
| CN109013707A (en) * | 2018-09-29 | 2018-12-18 | 天津天重中直科技工程有限公司 | Bar jointing structure in short stress path 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478485A (en) * | 2015-11-19 | 2016-04-13 | 内蒙古包钢钢联股份有限公司 | Method of improving precision of short-stress rolling mill |
| CN107900300A (en) * | 2017-11-30 | 2018-04-13 | 中冶连铸技术工程有限责任公司 | A kind of fan-shaped sections of slab continuous roll-separating mechanism |
| 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 |
| CN109013707A (en) * | 2018-09-29 | 2018-12-18 | 天津天重中直科技工程有限公司 | Bar jointing structure in short stress path rolling mill |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103084405B (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103706431B (en) | A kind of high pressure double-roller extrusion mill | |
| CN205702586U (en) | A kind of improvement of gantry mill | |
| CN103084405A (en) | Novel roll gap adjusting device of short-stress-path rolling mill | |
| CN205798002U (en) | Axially accurate positioning and there is the short stress path rolling mill of high rigidity | |
| CN203124423U (en) | Roller gap adjusting device of novel short-stress-path rolling mill | |
| CN101456215B (en) | Two-locking bridge type stonecutter | |
| CN205128614U (en) | Antirusting rolling mill guide and guard beam device | |
| CN204294636U (en) | A kind of bar is remained silent the novel bearing box seal device of vertical mill | |
| CN103464835A (en) | High-efficient workpiece tapping machine | |
| CN103603933A (en) | Three-box type hard tooth surface reducer | |
| CN102351133A (en) | Lifting jack for pipe mill | |
| CN201448463U (en) | Glasses valve for vertical pipeline | |
| CN205110367U (en) | Pull rod device and short stress line rolling mill | |
| CN103506399A (en) | Height adjusting device for molding roller | |
| CN203991693U (en) | Integrated rolling guide wheel bearing assembly for steel rolling | |
| CN203764645U (en) | Bearing clearance regulating device for rollers | |
| CN203541096U (en) | Height adjusting device of forming roller | |
| CN203356205U (en) | Strip steel coiling assisting hanging-type five-roller tensioning device | |
| CN207431989U (en) | A kind of grinding tool for processing cage retainer | |
| CN207547257U (en) | Cubic milling train | |
| CN2663055Y (en) | Worm-gear speed reducer for drawing and straightening machine | |
| CN201279477Y (en) | Coal grinding machine tie-rod sealing device | |
| CN205110362U (en) | Rolling mill screw -down device's connection joint | |
| CN204953550U (en) | Copper strips water brush machine | |
| CN103322204B (en) | A kind of associated sealing arrangement for bearings of pickling line scale breading withdrawal straightening machine Guide roller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |