CN102000701A - Reduction adjustment device of short stress path rolling mill - Google Patents
Reduction adjustment device of short stress path rolling mill Download PDFInfo
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- CN102000701A CN102000701A CN 201010562873 CN201010562873A CN102000701A CN 102000701 A CN102000701 A CN 102000701A CN 201010562873 CN201010562873 CN 201010562873 CN 201010562873 A CN201010562873 A CN 201010562873A CN 102000701 A CN102000701 A CN 102000701A
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- pull bar
- adjustment device
- adjusting device
- metal
- reduction adjustment
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Abstract
The invention discloses a novel reduction adjustment device of a short stress path rolling mill. The reduction adjustment device comprises a transmission system driven by a hydraulic motor, four pull rods on the two ends of the rolling mill, a roll, an upper bearing seat, a lower bearing seat and a roll stand, wherein the pull rods are connected with the bevel gears of the transmission system. The reduction adjustment device is characterized in that chromium coatings are separately covered on the surface A and B of each pull rod between the roll stand and the upper and lower bearing seats. After the surfaces of each pull rod are covered with the chromium coatings, the wear resistance and corrosion resistance of the surfaces can be increased. Meanwhile, the device of the invention also uses polytetrafluoroethylene to prepare the sealing rings in the pores at both ends of each bearing seat, the contact surfaces of the sealing rings and the pull rods are changed from vertical surfaces to inclined surfaces; and a telescopic protective casing is added on the surfaces of each pull rod between the upper and lower bearing seats and an end cover on the roll stand. The situation that the mixture of scale, water, oil and the like enters the reduction adjustment device to affect the rotation of the pull rods can be prevented, thus the failure of the reduction adjustment device can be effectively prevented and the operation reliability of the rolling mill can be increased.
Description
Technical field
The present invention relates to the adjusting device of depressing of steel rolling industry line, short stress bar line milling train.
Background technology
Line, short stress bar line milling train depress adjusting device (claiming the roll gap adjusting device again), it mainly is made up of drive disk assembly, pull bar, roll, metal (upper seat, roll stands such as hydraulic motor, rigidity catcher, worm screw, worm gear, bevel gear shaft and bevel gears.Its operation principle is: hydraulic motor drives two cover worm screws, the Worm gear mechanism (adopt between two worm screws and be rigidly connected) that places the milling train top by taking over; The two ends of every cover worm gear core wheel have connected two bevel gear shafts along with worm gear rotates together with key, engagement by bevel gear shaft and bevel gear, rotate four pull bars at milling train two ends (operating side and driving end) (in two pull bars of every end by the bevel gear of being fixed in the pull bar top, the top of a pull bar is processed with the left hand thread bottom and is processed with right-handed thread, and the top of another root pull bar then is processed with the right-handed thread bottom and is processed with left hand thread).The pull bar that rotates makes the metal (upper seat together with the radial motion of roll along roll, thereby finishes the adjustment of roll gap by nut fixing in the vestibule of top and bottom rolls bearing block two ends.It is the structural alloy steel of 42CrMo that the pull bar of present production domesticization line, short stress bar line milling train extensively adopts material.In actual production, expose the pull bar between metal (upper seat and roll stand, be subjected to the erosion of iron scale, water, oil mixture, its surperficial easy-to-rust; When the metal (upper seat along pull bar when moving up and down, the facing directly very easily of sealing ring that is fixed on the sealing device in the vestibule of bearing block two ends worn and torn, do not have sealing function, iron scale, water, oil mixture can enter the inside of depressing adjusting device from here is obstructed the pull bar rotation, loses efficacy thereby cause depressing adjusting device.
Summary of the invention
Problem to be solved by this invention provides a kind of novel adjusting device of depressing of short stress path rolling mill, and it can prevent effectively that the surface that exposes the pull bar between roll stand and metal (upper seat from suffering erosion, thus the inefficacy of avoiding depressing adjusting device.Simultaneously, be fixed on and still can play sealing function after vestibule interior sealing device in bearing block two ends weares and teares, further avoid depressing the inefficacy of adjusting device, improve the milling train reliability of operation.And, can also significantly alleviate operator's labour intensity.
Short stress path rolling mill of the present invention depress adjusting device, it comprises transmission system, four pull bars at milling train two ends, roll, metal (upper seat, the roll stand that hydraulic motor drives, pull bar links to each other with bevel gear in the transmission system, and A, the B surface of pull bar between roll stand and metal (upper seat all is coated with chromium coating.
The present invention adopts the electrodeposited chromium technology behind its surface coverage chromium coating by the pull bar surface that will be positioned at easy-to-rust exposed between roll stand and metal (upper seat, improve its wear-resistant, decay resistance, prevented that iron scale, water, oil mixture etc. from entering the inside of depressing adjusting device from here and making pull bar rotate the generation of the situation of being obstructed, lost efficacy thereby prevented to depress adjusting device effectively, improved the milling train reliability of operation.
Description of drawings
Fig. 1 is the schematic diagram that the present invention depresses adjusting device;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the assembling schematic diagram of pull bar;
Fig. 4 is the enlarged diagram at C place among Fig. 3;
Fig. 5 is the enlarged diagram at D place among Fig. 3;
Fig. 6 is the part drawing of pull bar.
The specific embodiment
From Fig. 1, Fig. 2, Fig. 3, Fig. 6 as can be known, short stress path rolling mill of the present invention depress adjusting device, it comprises transmission system 1, four pull bars 2 at milling train two ends, roll 3, metal ( upper seat 4,8, the roll stand 6 that hydraulic motor drives, pull bar links to each other with bevel gear in the transmission system, and it is characterized in that: A, the B surface of pull bar 2 between roll stand 6 and metal ( upper seat 4,8 all is coated with chromium coating.The thickness of chromium coating is 0.15-0.2mm.If the milling train of present use is transformed, should adopt following steps: the pull bar after milling train disintegrates at first will clean, and will carry out pickling, rust cleaning to working face to be plated, checks thereafter and measures, and according to abrasion condition, formulates rational build-up welding repair process.Then, electrodeposited chromium technology is adopted on the surface after will repairing again, and making thickness of coating is 0.15～0.2mm, carries out attrition process subsequently, makes it to return to initial process.
From Fig. 3, Fig. 4, Fig. 5 as can be known, as a kind of improved procedure of the present invention, between the contact-making surface of metal ( upper seat 4,8 and pull bar 2 sealing device is arranged, sealing device is formed by the sealing ring 9 that is close to pull bar 2 surfaces with the contacted O type of metal (upper seat circle 10, and sealing ring 9 is pressed on the outer ring surface of 0 type circle 10; Be the inclined-plane with 2 contacted on pull bar on the sealing ring 9, the angle of inclined-plane and pull bar 2 is α.Sealing ring 9 preferred polytetrafluoroethylsealed sealed rings.
From Fig. 1, Fig. 2, Fig. 3 as can be known, advance a kind of improved procedure as of the present invention, pull bar 2 metal ( upper seats 4,8 and the surface that is fixed between the end cap 7 on the roll stand 6 are provided with telescopic protective sleeve 5.The preferred acrylonitrile-butadiene rubber of the material of protective sleeve 5.When the height of telescopic protective sleeve will be considered top and bottom rolls bearing block move toward one another and the minimum and maximum position between frame is determined.
Advantage of the present invention is: 1, adopt the electrodeposited chromium technology after its surface coverage has chromium coating by the pull bar working face that will be positioned at easy-to-rust exposed between roll stand and metal (upper seat, improve its wear-resisting, corrosion resisting property; 2, select the splendid polytetrafluoroethylmaterial material of stability as the sealing ring in the vestibule of bearing block two ends, and its contact-making surface with pull bar changed the inclined-plane into by originally facing directly, to improve the sealing effectiveness on bright and clean axial plane, the service life of prolongation sealing ring; 3, install the pull bar surface between the end cap on metal (upper seat and the roll stand additional telescopic protective sleeve, prevent that the iron scale of bulk is attached on the pull bar surface, reduce water, oil and iron scale mixture to the erosion of working face. In a word, the present invention has prevented that the inside that iron scale, water, oil mixture etc. enter pressing adjustment device from making pull bar rotate the generation of the situation of being obstructed, and has effectively prevented the pressing adjustment device inefficacy, has improved the milling train reliability of operation. Simultaneously, because pressing adjustment device is not easy to lose efficacy, does not need frequent replacing, thereby significantly alleviated operator's labour intensity.
Claims (6)
1. short stress path rolling mill depresses adjusting device, it comprises transmission system (1), four pull bars (2) at milling train two ends, roll (3), metal (upper seat (4,8), the roll stand (6) that hydraulic motor drives, pull bar links to each other with bevel gear in the transmission system, and it is characterized in that: A, B surface that pull bar (2) is positioned between roll stand (6) and the metal (upper seat (4,8) all are coated with chromium coating.
2. the adjusting device of depressing according to claim 1 is characterized in that: the thickness of chromium coating is 0.15-0.2mm.
3. the adjusting device of depressing according to claim 1, it is characterized in that: between the contact-making surface of metal (upper seat (4,8) and pull bar (2) sealing device is arranged, sealing device is formed by the sealing ring (9) that is close to pull bar (2) surface with the contacted O type of metal (upper seat circle (10), and sealing ring (9) is pressed on the outer ring surface of O type circle (10); Sealing ring (9) is gone up and contacted of pull bar (2) is the inclined-plane, and the angle of inclined-plane and pull bar (2) is α.
4. the adjusting device of depressing according to claim 3 is characterized in that: sealing ring (9) is polytetrafluoroethylsealed sealed ring.
5. the adjusting device of depressing according to claim 1 is characterized in that: pull bar (2) is positioned at metal (upper seat (4,8) and the surface that is fixed between the end cap (7) on the roll stand (6) is provided with telescopic protective sleeve (5).
6. the adjusting device of depressing according to claim 5 is characterized in that: the material of protective sleeve (5) is an acrylonitrile-butadiene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010562873 CN102000701B (en) | 2010-11-24 | 2010-11-24 | Reduction adjustment device of short stress path rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010562873 CN102000701B (en) | 2010-11-24 | 2010-11-24 | Reduction adjustment device of short stress path rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102000701A true CN102000701A (en) | 2011-04-06 |
| CN102000701B CN102000701B (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010562873 Active CN102000701B (en) | 2010-11-24 | 2010-11-24 | Reduction adjustment device of short stress path rolling mill |
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| CN (1) | CN102000701B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103084405A (en) * | 2013-01-25 | 2013-05-08 | 中冶南方工程技术有限公司 | Novel roll gap adjusting device of short-stress-path rolling mill |
| CN107377626A (en) * | 2017-07-25 | 2017-11-24 | 马鞍山市银鼎机械制造有限公司 | A kind of pull bar assembling structure of milling train |
| CN112808778A (en) * | 2021-01-28 | 2021-05-18 | 西安岳创机械科技有限公司 | Metal rolling equipment of adjustable rolling thickness |
| CN112828038A (en) * | 2021-01-28 | 2021-05-25 | 西安岳创机械科技有限公司 | Automatic metal rolling method |
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| CN1090634A (en) * | 1993-12-16 | 1994-08-10 | 冶金工业部自动化研究院 | Self balance combined high pressure rotary sealing ring |
| JPH11188407A (en) * | 1997-12-25 | 1999-07-13 | Nkk Corp | Housing-less universal rolling mill |
| CN201244581Y (en) * | 2008-09-04 | 2009-05-27 | 柳州市永益机械制造有限公司 | Device for sealing pull rod of short-stress-line rolling mill |
| JP4291766B2 (en) * | 2004-11-11 | 2009-07-08 | 株式会社神戸製鋼所 | Double-end rolling mill |
| CN201470676U (en) * | 2009-08-04 | 2010-05-19 | 西安威科多机电设备有限公司 | Short stress line bar mill |
| CN101837377A (en) * | 2009-03-20 | 2010-09-22 | 宝山钢铁股份有限公司 | Laminar flow cooling upper spray blocking device |
| CN201969730U (en) * | 2010-11-24 | 2011-09-14 | 马鞍山钢铁股份有限公司 | Screw-down adjusting device for short stress path rolling mill |
-
2010
- 2010-11-24 CN CN 201010562873 patent/CN102000701B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1090634A (en) * | 1993-12-16 | 1994-08-10 | 冶金工业部自动化研究院 | Self balance combined high pressure rotary sealing ring |
| JPH11188407A (en) * | 1997-12-25 | 1999-07-13 | Nkk Corp | Housing-less universal rolling mill |
| JP4291766B2 (en) * | 2004-11-11 | 2009-07-08 | 株式会社神戸製鋼所 | Double-end rolling mill |
| CN201244581Y (en) * | 2008-09-04 | 2009-05-27 | 柳州市永益机械制造有限公司 | Device for sealing pull rod of short-stress-line rolling mill |
| CN101837377A (en) * | 2009-03-20 | 2010-09-22 | 宝山钢铁股份有限公司 | Laminar flow cooling upper spray blocking device |
| CN201470676U (en) * | 2009-08-04 | 2010-05-19 | 西安威科多机电设备有限公司 | Short stress line bar mill |
| CN201969730U (en) * | 2010-11-24 | 2011-09-14 | 马鞍山钢铁股份有限公司 | Screw-down adjusting device for short stress path rolling mill |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102247984B (en) * | 2011-06-29 | 2013-08-14 | 北京京诚瑞信长材工程技术有限公司 | Short-stress wire rolling mill |
| CN103084405A (en) * | 2013-01-25 | 2013-05-08 | 中冶南方工程技术有限公司 | Novel roll gap adjusting device of short-stress-path rolling mill |
| CN103084405B (en) * | 2013-01-25 | 2015-03-25 | 中冶南方工程技术有限公司 | Novel roll gap adjusting device of short-stress-path rolling mill |
| CN107377626A (en) * | 2017-07-25 | 2017-11-24 | 马鞍山市银鼎机械制造有限公司 | A kind of pull bar assembling structure of milling train |
| CN112808778A (en) * | 2021-01-28 | 2021-05-18 | 西安岳创机械科技有限公司 | Metal rolling equipment of adjustable rolling thickness |
| CN112828038A (en) * | 2021-01-28 | 2021-05-25 | 西安岳创机械科技有限公司 | Automatic metal rolling method |
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|---|---|
| CN102000701B (en) | 2013-05-22 |
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