CN106623438A - Waterproof device for cold-rolling line backup roll chock - Google Patents
Waterproof device for cold-rolling line backup roll chock Download PDFInfo
- Publication number
- CN106623438A CN106623438A CN201710003745.7A CN201710003745A CN106623438A CN 106623438 A CN106623438 A CN 106623438A CN 201710003745 A CN201710003745 A CN 201710003745A CN 106623438 A CN106623438 A CN 106623438A
- Authority
- CN
- China
- Prior art keywords
- pipe
- gas
- backup roll
- bearing
- scavenging conduit
- 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.)
- Pending
Links
- 238000005097 cold rolling Methods 0.000 title claims abstract description 19
- 238000010926 purge Methods 0.000 claims abstract description 33
- 238000010079 rubber tapping Methods 0.000 claims abstract description 4
- 230000002000 scavenging effect Effects 0.000 claims description 31
- 239000007921 spray Substances 0.000 claims description 30
- 239000003292 glue Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 abstract 1
- 206010037544 Purging Diseases 0.000 description 15
- 239000007788 liquid Substances 0.000 description 9
- 239000003921 oil Substances 0.000 description 9
- 239000002826 coolant Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010622 cold drawing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010731 rolling oil Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B28/00—Maintaining rolls or rolling equipment in effective condition
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a waterproof device for a cold-rolling line backup roll chock. An axial gas purging pipe is designed into an annular pipe with the square pipe side length of 40mm and width of 30mm, the interior of the pipe is hollow, the wall thickness close to the backup roll is 5mm, the purging pipe is made into a circular ring shape, the diameter of the purging pipe is 100mm greater than the diameter of the backup roll, and the air supply pressure of an air inlet pipe is not less than 0.5MPa. The gas purging pipe is arranged below a water retaining rubber plate; the annular pipe is provided with an annular injection line towards the axial direction of the backup roll; the line width is 0.4mm; the section of the annular injection line has an inclination of an included angle of 3 degrees close to the backup roll chock; an inclination of a 48-dgree included angle is formed close to one side of the backup roll; six groups of connecting pieces are welded on the ring pipe outer diameter of the annular pipe; a hole of 11mm is formed in each of the connecting pieces; a screw of M10 penetrates through the connecting hole; and the screw is tightened in a drilling and tapping screw hole in the inner side face of the backup roll chock so as to fix the axial gas purging pipe.
Description
Technical field
The present invention relates to a kind of cold rolling line bearing roll bearing seat water-tight device, particularly one kind can solve cold rolling line bearing roller
The making of the waterproof scavenging conduit of bearing block water inlet and installation, installing additional asks cold rolling line bearing roll bearing seat water inlet after waterproof scavenging conduit
Topic is thoroughly effected a radical cure.
Background technology
There are many rolls on the milling train of cold rolling line, the online steel plate for needing to roll is cold drawing, and milling train monitoring temperature is 60
Degree, cold rolling line is durable indeformable in order to ensure roll, and the temperature for strict control shaft is no longer raised, and roll is provided with and sprays water with high pressure
Head, substantial amounts of cooling medium is sprayed on roll and rolled plate, and cooling medium uses emulsion, and composition is ROLLING OIL
+ desalted water, emulsification liquid temp is 55 degree, and the pressure for spraying emulsion is not less than 0.6MPa, the pipeline water diameter of feed flow
60.3mm, each roll respectively have up and down one parallel to roll cooling water pipeline, on pipeline according to rolling line width be provided with many
Individual pipe, nozzle diameter 25mm is provided with water spray line on nozzle, make emulsion after pipe, and the liquid sprayed by nozzle is in fan
Shape, uniformly in liquid injection to backing roll, it is ensured that roller temperature is not exceeded.When steel plate passes through between roll, own
Cooling nozzles start to eject pressure medium to backing roll, scene is very much grand.But in this grand behind, support roll shaft
Bearing subjects huge problem hidden danger.Backing roll has rubber seal on bearing block, presses close on the support roll shaft of rotation at a high speed,
The injection of medium is remained in the presence of the axle of rotation at a high speed, is capable of the continual of every little bit and is invadedTo bearing block the inside
Go, here it is tyre dash offset plate, the interior bearing block with sealing ring remains to the major reason into water.Bearing in bearing block overall diameter
1220mm, bearing in bearing block interior diameter 900mm, it is subject to big weight, the bearing of the backing roll of high speed rotation, due to bearing
Running environment it is severe, specification is huge and running environment is special, and bearing machining difficulty is high, and the bearing used on cold rolling line is mostly
It is import, original cost is ten thousand RMB more than 40.Rotate at a high speed because this bearing carries backing roll, the axle in bearing block
Hold and need in operation substantial amounts of lubricating oil and cool down and lubricate, lubricating oil is special, is supplied by 15mm oil pipe lines by gear pump
Give, oil pressure 1.2-1.4bar, pump discharge is 1500 ls/h, lubrication oil circulation is 15000 liters using oil storage.Bearing is in height
In speed operating, lubricate, radiate completely by a large amount of lubricating oil, therefore have higher requirement to lubricating oil.When bearing the inside is entered
After water, water and oil are merged, and oil is no longer oil, and water is also no longer water.Cylinder ball cannot get necessary lubrication in bearing,
Rotate astringent, oil does not have the effect of lubrication, and the heat that bearing is produced cannot also distribute, at this moment be easy to burn
The event of bearing is ruined, this is danger close to operating bearing, and production line is unable to request stop in rolled plate, even if axle
Bearing goes wrong and also cannot be keeped in repair, and continues the bearing of rotation at a high speed, runs in oil mixing with water liquid, and temperature is soon
Increase, losing the bearing moment of lubrication will destroy, and after bearing breaks down, directly threaten the safety of axle, supporting roller bearing
Rotating speed is about 300 revs/min, and axle will soon be damaged, and so loss will be bigger.For Jing often such losses,
Any enterprise is all difficult to bear.Therefore, have how could many enterprises control water in constantly research, no longer allow current
To Bearing inner, the massive losses for bringing because bearing is intake are reduced.But never good method is asked solving this
Topic, it is at all the reason for not finding into water, is found into just there is method to solve this problem the reason for water.
The content of the invention
The present invention provides a kind of design and installation of cold rolling line bearing roll bearing seat waterproof scavenging conduit.Supporting roller bearing seat is in addition
Dash rubber board, it is interior band sealing ring, bearing block remain to be into main cause waterborne：Dash rubber board is blocked on the inside of bearing block
Substantial amounts of water, ejection medium still has on the axle for remaining in high speed rotation, and in the presence of the support roll shaft of high speed rotation, water is a bit
One the continual of drop is invadedGo to bearing block the inside, here it is with dash offset plate, the bearing block with sealing ring, remaining to
Enter the major reason of water.In the medial surface of cold rolling line bearing roller two end axles bearing, dash offset plate it is following, install a compression additional
Air circulating line, a very thin purging line is provided with circulating line to backing roll direction, to 45 degree of angle injections of shaft centre line
Compressed air, perpendicular to axle in a ring, the compressed air that this circulating line is ejected to axial plane is formed and compressed together spray line
Air curtain, resists cooling medium and is injected on the axle at high speed rotary supporting roller two ends, makes this section of axle surface all the time be drying
Without any liquid.Liquid splashed and blown away by compressed air at once on this section of axle, prevents liquid from again with the rotation of axle
Enter in bearing block.In the case where the back-up chock of current on-line operation is not changed, in the case of each bearing block
The axle that has of sandwich type element inserts end face, and annulate shaft is higher by 50mm positions and installs annular scavenging conduit road, and pipe end face is square tube, and its length of side is
40mm is high, the ring pipe that 30mm is wide, there is an air inlet connection compressed air gas source.There is one especially to set on annular scavenging conduit
The spray line of the purging compressed air of meter, its purging direction is 45 degree of angles of backing roll shaft centre line, purges compressed air
Eject from annular scavenging conduit, it, along circulating line inner side, is to ensure purging compressed gas on beaming roller that spray line is
Directionality and the uniformity of injection, annular spray line is designed to unique abnormity.
The technical solution of the present invention is as follows：
A kind of cold rolling line bearing roll bearing seat water-tight device is made up of three parts.Part I：Axial gas scavenging conduit
Make.Part II：Annular spray line.Part III：Axial gas scavenging conduit is installed.
A kind of cold rolling line bearing roll bearing seat water-tight device, part and concrete function：
Part I：Axial gas scavenging conduit makes
Axial gas scavenging conduit is designed to a square tube length of side for the wide ring pipes of the high 30mm of 40mm, and inside is empty, near propping up
Runner wall thickness over there is 5mm, and scavenging conduit car makes toroidal, has a diameter larger than the shaft diameter 100mm of backing roll, there is one
Air inlet pipe, its supply gas pressure is not less than 0.5MPa.
Part II：Annular spray line
Annular spray line is that, in order to effectively utilize compressed air purging, this is that cold rolling line bearing roll bearing seat water-tight device is most heavy
The link wanted, annular spray line will ensure that the blast injection of whole annular spray is uniform, and direction is consistent, and purging effort is big,
Being purged on axle will have certain width.So to fully meet these requirements, the shape, width to annular spray line is through careful
After close design, experiment, only characteristic nozzle ring is designed.A width of 0.4mm of annular spray line, annular spray line it is disconnected
Face is that have 3 degree of angles inclined over there by bearing block, by support roller while having 48 degree of angles inclined, its effect is：Ring
The compressed gas that shape spray line is purged out have an obvious directionality, and it shows an obtuse triangle to be purged to section on axle,
The whole gas for spraying forms a purging compression ring, and strong gas is neat and tidy the cooling liquid purging on axle.
Part III：Axial gas scavenging conduit is installed
Gas scavenging conduit is arranged on below dash rubber board, and the installation site of axial gas scavenging conduit is that annulate shaft is higher by 50mm positions
Put, axial gas purging pipeline is installed, its interior garden is bent equal everywhere from supporting roll shaft center radius, it is ensured that annular spray line institute
It is precisely identical to the distance in Zhou Wai gardens, so that the scope, power, angle during compressed air purging is accurately, only in this way accurately
Purging, real could reach the effect that purging removes liquid.The length of side is the wide ring shaped axial gas purgings of the high 30mm of 40mm
Pipe, in the outer garden of oblong rectangular pipe height 40mm 6 groups of installation connecting elements are welded, and have 11mm's above each connector
Hole, with the screw of M10 this connecting hole is passed through, and screw tightening has been drilled in back-up chock medial surface, the spiral shell of tapping
In hole, axial gas scavenging conduit is fixed.
Description of the drawings
Fig. 1 axial gas purge layout drawing
Fig. 2 annular spray line sectional drawings
Fig. 3 axial gas purge tubular construction installation diagram
Each part mark is as follows in accompanying drawing：
1st, gas scavenging conduit 2, gas connection pipe 3, flange 4, marine glue dermatotome 5, connector 6, purge gas spray line
7th, purge gas 8, supporting roll shaft 9, supporting roller bearing seat
Below in conjunction with the accompanying drawings the present invention is further illustrated：
As shown in figure 1, be cold rolling line bearing roll bearing seat water-tight device gas purging layout drawing, on the gas scavenging conduit of part 1
There is the gas connection pipe of part 2 in face, and its supply gas pressure can not be less than 0.5MPa, be managed using the garden of diameter 25mm.The gas scavenging conduit of part 1
Installed in by the securing marine glue dermatotome of part 4 of the flange of part 3, below, this rubber board is to stop that cooling medium is sprayed onto
On axle, attempt blocks medium into inside bearing block, and practical function is that the amount for making cooling medium is reduced.The connector handle of part 5
The gas scavenging conduit of part 1 is fixed on the inner side of the supporting roller bearing seat of part 9.The gas scavenging conduit of part 1 to backing roll axle center incline 45 degree
There is the purge gas spray line of part 6 in angle direction, this be one it is specially designed purging compressed air spray line, the part 7 of injection
Purge gas form one gas shield, blow to the backing roll shaft end of part 8, make any liquid cannot rotating into axle again
To in back-up chock.
It is annular spray line sectional drawing shown in Fig. 2, the gas scavenging conduit car of part 1 makes the length of side for the high 30mm of 40mm wide annular
Square tube, inside is empty, is 5mm near backing roll wall thickness over there, and scavenging conduit car makes toroidal, has a diameter larger than supporting
The shaft diameter 100mm of roller, it is ensured that pipe is consistent with a distance from supporting roll shaft.Annular spray line, ring are provided with the gas scavenging conduit of part 1
A width of 0.4mm of shape spray line, the section of annular spray line is inclined by the 3 degree of angles that have of bearing block over there, by support roller on one side
There are 48 degree of angles to incline, the compressed gas that annular spray line is purged out have an obvious directionality, are purged to axle central section
Gas triangle in obtuse angle, the whole gas for spraying forms the purging compression ring perpendicular to axle, strong that gas is blown to axle
On, there is the cooling medium residual clean in shaft end purging.
As shown in Figure 3 gas purges tubular construction installation diagram.The gas scavenging conduit of part 1 is divided into six equal portions garden week, welds six
The connector of part 5, the garden hole for having a diameter 11mm above each connector passes through this connecting hole with the hex(agonal)screw of M10,
Screw tightening has been drilled, in the screw of tapping, has fixed axial gas scavenging conduit in back-up chock side.
Claims (3)
1. cold rolling line bearing roll bearing seat water-tight device, is characterized in that：Described cold rolling line bearing roll bearing seat water-tight device is
It is made up of three parts, Part I：Axial gas scavenging conduit makes, Part II：Annular spray line, Part III：Axially
Gas scavenging conduit is installed, and three described part portions are by part (1) gas scavenging conduit, part (2) gas connection pipe, part (3) method
Blue pressing plate, part (4) marine glue dermatotome, (5) connector, (6) purge gas spray line, (7) purge gas, (8) supporting roll shaft,
(9) supporting roller bearing seat.
2. cold rolling line bearing roll bearing seat water-tight device according to claim 1, is characterized in that：Described part (1) gas
It is the wide toroidals of the high 30mm of 40mm that scavenging conduit makes the length of side, has a diameter larger than the shaft diameter 100mm of backing roll, part (1) gas
(6) purge gas spray line is provided with body scavenging conduit, a width of 0.4mm of annular spray line, the section of annular spray line leans on bearing
The 3 degree of angles that have over there of seat are inclined, by support roller while there is 48 degree of angles to incline.
3. cold rolling line bearing roll bearing seat water-tight device according to claim 2, is characterized in that：Described part (1) gas
It is divided into six equal portions the garden week of scavenging conduit, welds six part (5) connectors, there is the garden of a diameter 11mm above each connector
Hole, with the hex(agonal)screw of M10 this connecting hole is passed through, and screw tightening in back-up chock side, has been drilled, tapping
In screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710003745.7A CN106623438A (en) | 2017-01-03 | 2017-01-03 | Waterproof device for cold-rolling line backup roll chock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710003745.7A CN106623438A (en) | 2017-01-03 | 2017-01-03 | Waterproof device for cold-rolling line backup roll chock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106623438A true CN106623438A (en) | 2017-05-10 |
Family
ID=58842595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710003745.7A Pending CN106623438A (en) | 2017-01-03 | 2017-01-03 | Waterproof device for cold-rolling line backup roll chock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106623438A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09168808A (en) * | 1995-12-20 | 1997-06-30 | Ishikawajima Harima Heavy Ind Co Ltd | Dewatering device for rolling mill |
| CN201027983Y (en) * | 2007-02-14 | 2008-02-27 | 北京市城南橡塑技术研究所 | Sealing member of roller |
| CN201848436U (en) * | 2010-09-28 | 2011-06-01 | 山西太钢不锈钢股份有限公司 | Device for preventing shower pipe from scratching steel plate |
| CN102259115A (en) * | 2011-04-22 | 2011-11-30 | 汉威(广州)机械设备有限公司 | Waterproof compressed air sweeping system with double-lip seal for high-speed wire rolling mill |
| CN202238902U (en) * | 2011-08-09 | 2012-05-30 | 宝山钢铁股份有限公司 | Rolling mill stand foreign matter blowing device |
| CN202371032U (en) * | 2011-12-19 | 2012-08-08 | 江阴市九天科技有限公司 | Support roll bearing pedestal of rolling mill |
| CN204866846U (en) * | 2015-08-27 | 2015-12-16 | 王宝进 | Roll roll chock with waterproof function |
| CN204974730U (en) * | 2015-09-06 | 2016-01-20 | 中冶南方工程技术有限公司 | Roller watertight fittings and roller |
-
2017
- 2017-01-03 CN CN201710003745.7A patent/CN106623438A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09168808A (en) * | 1995-12-20 | 1997-06-30 | Ishikawajima Harima Heavy Ind Co Ltd | Dewatering device for rolling mill |
| CN201027983Y (en) * | 2007-02-14 | 2008-02-27 | 北京市城南橡塑技术研究所 | Sealing member of roller |
| CN201848436U (en) * | 2010-09-28 | 2011-06-01 | 山西太钢不锈钢股份有限公司 | Device for preventing shower pipe from scratching steel plate |
| CN102259115A (en) * | 2011-04-22 | 2011-11-30 | 汉威(广州)机械设备有限公司 | Waterproof compressed air sweeping system with double-lip seal for high-speed wire rolling mill |
| CN202238902U (en) * | 2011-08-09 | 2012-05-30 | 宝山钢铁股份有限公司 | Rolling mill stand foreign matter blowing device |
| CN202371032U (en) * | 2011-12-19 | 2012-08-08 | 江阴市九天科技有限公司 | Support roll bearing pedestal of rolling mill |
| CN204866846U (en) * | 2015-08-27 | 2015-12-16 | 王宝进 | Roll roll chock with waterproof function |
| CN204974730U (en) * | 2015-09-06 | 2016-01-20 | 中冶南方工程技术有限公司 | Roller watertight fittings and roller |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |
|
| WD01 | Invention patent application deemed withdrawn after publication |