CN206386480U - The roller labyrinth-type excluder of cold-rolling mill three - Google Patents
The roller labyrinth-type excluder of cold-rolling mill three Download PDFInfo
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- CN206386480U CN206386480U CN201621477706.8U CN201621477706U CN206386480U CN 206386480 U CN206386480 U CN 206386480U CN 201621477706 U CN201621477706 U CN 201621477706U CN 206386480 U CN206386480 U CN 206386480U
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- bearing
- labyrinth
- ring
- cold
- roller
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Abstract
The utility model discloses a kind of roller labyrinth-type excluder of cold-rolling mill three, including it is separately positioned on the sealing mechanism of the roller fixing end of cold-rolling mill three and floating end；Sealing mechanism includes being used for installing the bearing block and bearing of bearing, and the inner side of bearing is provided with inner seal ring, and the outer ring inner side limiting-position of bearing block and bearing coordinates, the inner ring fit inside of inner seal ring and bearing；It is fixedly mounted to be provided with to cover to be equiped with outer seal ring, and roll shaft on bearing gland, roll shaft in axle body and is additionally provided with retention mechanism；Inner side labyrinth seal structure is provided between bearing block and inner seal ring；Outside labyrinth seal structure is provided between bearing gland and outer seal ring；Inner side labyrinth seal structure includes the radial labyrinth I being arranged between bearing block and inner seal ring and axial labyrinth I；Outside labyrinth seal structure includes being arranged on also set on radial labyrinth II between bearing gland and outer seal ring and axial labyrinth II, outer seal ring and is equiped with lip-shaped sealed ring, be provided between bearing gland and axle body at least together with sealing ring.
Description
Technical field
The utility model is related to a kind of sealing device, is specifically a kind of roller labyrinth-type excluder of cold-rolling mill three.
Background technology
The sealing means of the current roller of cold-rolling mill three use mechanical sealing always, although disclosure satisfy that makes to a certain extent
With requiring, but still suffer from that following some is not enough：
1st, friction can be produced between sealing and roller so that roller turn flexibility is very poor, so as to cause band in rolling
During produce surface wipe scratch, reduce band precision；
2nd, mechanical sealing easily abrasion, aging in high-speed rotation, it is therefore necessary to periodic replacement, greatly increases
Workload and maintenance cost are added.
The content of the invention
In view of this, the purpose of this utility model is to provide a kind of roller labyrinth-type excluder of cold-rolling mill three, is ensureing
Under the premise of the operating of the roller of cold-rolling mill three is reliable, the flexibility of three rollers can be effectively increased, it is to avoid make because the rotation of three rollers is dumb
Wipe and scratch into strip surface, and drop the workload and cost of repair and maintenance, improve the utilization rate of the roller of cold-rolling mill three.
To reach above-mentioned purpose, the utility model provides following technical scheme：
A kind of roller labyrinth-type excluder of cold-rolling mill three, including it is separately positioned on the roller fixing end of cold-rolling mill three and floating end
Sealing mechanism；
The sealing mechanism includes being used to install bearing and bearing block of the axially position in the body of roll, the bearing
Inner side provided be sleeved on roll shaft and with the inner seal ring of the spacing cooperation of roll shaft, on the inside of the outer ring of the bearing block and the bearing
It is spacing to coordinate, the inner ring fit inside of the inner seal ring and the bearing；It is fixedly mounted and is provided with and the axle in the axle body
Set is equiped with the outer seal ring with coordinating on the outside of the bearing inner race, and institute on the bearing gland coordinated on the outside of bearing outer-ring, roll shaft
State the retention mechanism being additionally provided with roll shaft for the outer seal ring being pressed abd fixed on the bearing；
The bearing gland is provided with the adpting flange for being used for being fixedly connected with the body of roll；It is arranged on the roller fixing end of cold-rolling mill three
The bearing gland be provided with pressure ring with coordinating on the outside of bearing outer ring towards one end of the bearing coordinated with it, and be arranged on cold
Adjust pad is provided between the adpting flange and the body of roll of the roller fixing end of milling train three；It is arranged on the roller floating end of cold-rolling mill three
The bearing gland and the bearing outer ring that coordinates with it between be provided with fit clearance；
Inner side labyrinth seal structure is provided between the bearing block and the inner seal ring；The bearing gland with it is described outer
Outside labyrinth seal structure is provided between sealing ring；The inner side labyrinth seal structure include be arranged on the bearing block with it is described
Radial labyrinth I and axial labyrinth I between inner seal ring；The outside labyrinth seal structure includes being arranged on the bearing gland
Radial labyrinth II and axial labyrinth II between the outer seal ring, and also set is equiped with and the axle on the outer seal ring
The lip-shaped sealed ring that pressure cap coordinates, the bearing gland between axle body provided with sealing ring together with least.
Further, the inner seal ring includes big footpath section I and path section I, and the big footpath section I is leaned on positioned at the path section I
The side of the nearly bearing, and extended radially inwardly on the bearing block provided with the sealing bulge loop I coordinated with the path section I,
Provided with the first axial labyrinth between the sealing bulge loop I and the path section I, set between the big footpath section I and the bearing block
There is the second axial labyrinth.
Further, the side side wall of the sealing bulge loop I towards the bearing is provided with projection axially outward, described small
The shaft shoulder between footpath section I and big footpath section I forms described provided with the groove with the male cooperation between the projection and groove
Radial labyrinth I.
Further, the outer seal ring includes big footpath section II and path section II, and the big footpath section II is located at the path section
II towards the side of the bearing, is extended radially inwardly on the bearing gland convex provided with the sealing coordinated with the path section II
Ring II, provided with the 3rd axial labyrinth between the sealing bulge loop II and the path section II, the big footpath section II and the bearing
Provided with the 4th axial labyrinth between gland, and the sealing bulge loop II is towards the side wall of the bearing and positioned at the big footpath section II
The radial labyrinth II is provided between the shaft shoulder between path section II.
Further, lip-shaped sealed ring suit is arranged in the path section II, and the lip-shaped sealed ring with it is described
Seal the side side wall laminating of the dorsad bearing of bulge loop II.
Further, the retention mechanism includes the pressure ring being sleeved on roll shaft and the opening spiral shell coordinated with the roll shaft screw thread
Mother, is provided with thrust washer between the opening nut and the pressure ring, and the lip-shaped sealed ring is located at the pressure ring and described
Between sealing bulge loop II.
Further, the inner seal ring towards annular on the side side wall of the bearing be laid with the bearing
The bulge loop coordinated is enclosed, the bulge loop is provided with lubrication hydraulic fluid port.
Further, grease channel is provided with the roll shaft, the grease channel includes oil inlet passage and oil discharge passage,
The oil-out of the oil inlet passage is arranged between the inner seal ring and the bearing and is connected with the lubrication hydraulic fluid port, institute
The oil inlet for stating oil discharge passage is arranged on the outer seal ring, and the oil inlet be located at the described 4th axial labyrinth with it is described
Between bearing.
Further, being provided between the outer seal ring and roll shaft is used to position determining for the oil discharge passage and the oil inlet
Position pin.
The beneficial effects of the utility model are：
The roller labyrinth-type excluder of cold-rolling mill three of the present utility model, passes through the fixing end and floating end in the roller of cold-rolling mill three
Sealing mechanism is set respectively, using the inner side labyrinth seal structure and outside labyrinth seal structure for being separately positioned on bearing both sides,
Oil leakage can be effectively prevented while bearing lubrication is realized, with good sealing property；Labyrinth seal structure
Use so that have one between fixing end and the bearing gland and outer seal ring of floating end, between bearing block and inner seal ring
Fixed gap, that is, be that gap coordinates, the contact that where there is in existing conventional seals mode eliminated well, and then avoid
Roller produces extra frictional force in rotation process, makes roller turn more flexible, it is to avoid made because the rotation of three rollers is dumb
Wipe and scratch into strip surface, and drop the workload and cost of repair and maintenance, improve the utilization rate of the roller of cold-rolling mill three；
In addition, by setting pressure ring between the bearing gland and bearing outer ring of fixing end, and in fixing end adpting flange
Adjust pad, the mismatch error that adjust pad can be between effective compensation adpting flange and the body of roll are set between the body of roll, it is ensured that
Rigidity coordinates between bearing gland and the body of roll and between pressure ring and bearing outer ring；Pass through the bearing gland and axle in floating end
Fit clearance is set between bearing outer-ring, it can be ensured that bearing outer ring has certain play stroke, to meet use requirement.
Brief description of the drawings
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, the utility model provides as follows
Accompanying drawing is illustrated：
Fig. 1 shows for the structure of the sealing mechanism of the roller labyrinth-type excluder embodiment fixing end of the utility model cold-rolling mill three
It is intended to；
Fig. 2 is the structural representation of bearing block；
Fig. 3 is the structural representation of inner seal ring；
Fig. 4 is the structural representation of the bearing gland of fixing end；
Fig. 5 is the structural representation of outer seal ring；
Fig. 6 is the structural representation of the sealing mechanism of floating end；
Fig. 7 is the structural representation of the bearing gland of floating end.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art
The utility model can be better understood from and can be practiced, but illustrated embodiment is limited not as to of the present utility model.
As shown in figure 1, being the structural representation of the roller labyrinth-type excluder embodiment of the utility model cold-rolling mill three.This reality
The roller labyrinth-type excluder of cold-rolling mill three of example is applied, including is separately positioned on the sealer of the roller fixing end of cold-rolling mill three and floating end
Structure.
The sealing mechanism of the present embodiment includes being used to install bearing 3 and bearing block 4 of the axially position in the body of roll 2,
The inner side of bearing 3 provided be sleeved on roll shaft 1 and with the inner seal ring 5 of the spacing cooperation of roll shaft 1, the outer ring of bearing block 4 and bearing 3
Inner side limiting-position coordinates, the inner ring fit inside of inner seal ring 5 and bearing 3.Be fixedly mounted in axle body 2 be provided with outside the outer ring of bearing 3
Set is equiped with the outer seal ring 7 with coordinating on the outside of the inner ring of bearing 3 on the bearing gland 6 that side coordinates, roll shaft 1, and is also set on roll shaft 1
Have the retention mechanism for outer seal ring 7 being pressed abd fixed on bearing 3.
Bearing gland 6 is provided with the adpting flange 25 for being used for being fixedly connected with the body of roll 2.It is arranged on the roller fixing end of cold-rolling mill three
Bearing gland 6 be provided with pressure ring 6b with coordinating on the outside of the outer ring of bearing 3 towards one end of the bearing 3 coordinated with it, and be arranged on
Adjust pad 24 is provided between the adpting flange 25 and the body of roll 2 of the roller fixing end of cold-rolling mill three.It is arranged on the roller floating end of cold-rolling mill three
Bearing gland 6 and the outer ring of bearing 3 that coordinates with it between be provided with fit clearance 26.Pass through the bearing gland and axle in fixing end
Pressure ring is set between bearing outer-ring, and adjust pad is set between fixing end adpting flange and the body of roll, adjust pad can be effective
Compensate the mismatch error between adpting flange and the body of roll, it is ensured that between bearing gland and the body of roll and between pressure ring and bearing outer ring
Rigidity coordinates；By setting fit clearance between the bearing gland and bearing outer ring of floating end, it can be ensured that bearing outer ring
With certain play stroke, to meet use requirement.
Inner side labyrinth seal structure is provided between the bearing block 4 and inner seal ring 5 of the present embodiment.Bearing gland 6 with it is outer close
Outside labyrinth seal structure is provided between seal ring 7.Inner side labyrinth seal structure include being arranged on bearing block 4 and inner seal ring 5 it
Between radial labyrinth I and axial labyrinth I.Outside labyrinth seal structure includes being arranged between bearing gland 6 and outer seal ring 7
Radial labyrinth II and axial labyrinth II, and also set is equiped with the lip-shaped sealed ring 8 coordinated with bearing gland 6, axle on outer seal ring 7
Provided with sealing ring 9 together with least between pressure cap 6 and axle body 2, the sealing ring 9 of the present embodiment is set to together.
Specifically, the inner seal ring 5 of the present embodiment includes big footpath I 5a of section and the 5b of path section I, I 5a of big footpath section is located at path
I 5b of section is extended radially inwardly on the side of bearing 3, and bearing block 4 provided with the 4a of sealing bulge loop I coordinated with the 5b of path section I,
Provided with the first axial labyrinth 10 between the sealing 4a of the bulge loop I and 5b of path section I, the second axle is provided between big footpath I 5a of section and bearing block 4
To labyrinth 11.The side side wall of the sealing 4a of bulge loop I of the present embodiment towards bearing 3 is provided with raised 4b axially outward, path
The shaft shoulder between I 5b of section and big footpath I 5a of section forms footpath between being provided with the groove 5c, raised 4b and groove 5c coordinated with raised 4b
To labyrinth I 12, sealing effectiveness can be effectively improved.
The outer seal ring 7 of the present embodiment includes big footpath II 7a of section and the 7b of path section II, and II 7a of big footpath section is located at path section II
7b is extended radially inwardly provided with the 6a of sealing bulge loop II coordinated with the 7b of path section II on bearing gland 6 towards the side of bearing 3,
Provided with the 3rd axial labyrinth 13 between the sealing 6a of the bulge loop II and 7b of path section II, it is provided between big footpath II 7a of section and bearing gland 6
4th axial labyrinth 14, and the sealing 6a of bulge loop II is towards the side wall of bearing 3 and between the section II 7a and 7b of path section II of big footpath
The shaft shoulder between be provided with radial labyrinth II 15, disclosure satisfy that the requirement of outer side seal.
Further, the present embodiment lip-shaped sealed ring 8 suit be arranged on the 7b of path section II, and lip-shaped sealed ring 8 with it is close
The side side wall laminating of bulge loop II 6a dorsad bearing 3 is sealed, can effectively prevent that the outside ROLLING OIL in outside from entering and lubricating oil is outside
Leakage.Retention mechanism includes the pressure ring 16 being sleeved on roll shaft 1 and the opening nut 17 coordinated with the screw thread of roll shaft 1, and be open nut
Thrust washer 18 is provided between 17 and pressure ring 16, and lip-shaped sealed ring 8 is located between pressure ring 16 and sealing bulge loop II 6a, pressure ring 16
Back-up ring 27 is provided between roll shaft 1.
Further, inner seal ring 5 is laid with and the inner ring cooperation of bearing 3 towards annular on the side side wall of bearing 3
Bulge loop 19, bulge loop 19 is provided with lubrication hydraulic fluid port.Be provided with grease channel in the roll shaft 1 of the present embodiment, grease channel include into
Oily passage 20 and oil discharge passage 21, the oil-out of oil inlet passage 20 are arranged between inner seal ring 5 and bearing 3 and with lubricating hydraulic fluid port
It is connected, the oil inlet 22 of oil discharge passage 21 is arranged on outer seal ring 7, and oil inlet 22 is located at the 4th axial labyrinth 14 and axle
Hold between 3.The positioning for being used for positioning oil discharge passage 21 and oil inlet 22 is provided between the outer seal ring 7 and roll shaft 1 of the present embodiment
Pin 23.
The roller labyrinth-type excluder of cold-rolling mill three of the present embodiment, passes through the fixing end and floating end point in the roller of cold-rolling mill three
Sealing mechanism is not set, using the inner side labyrinth seal structure and outside labyrinth seal structure for being separately positioned on bearing both sides,
Oil leakage can effectively be prevented by realizing while bearing lubrication, with good sealing property；Labyrinth seal structure
Using so that have certain between fixing end and the bearing gland and outer seal ring of floating end, between bearing block and inner seal ring
Gap, that is, be that gap coordinates, the contact that where there is in existing conventional seals mode eliminated well, and then avoid roller
Son extra frictional force is produced in rotation process, make roller turn more flexible, it is to avoid because three rollers rotate it is dumb and caused by
Strip surface, which is wiped, to be scratched, and is dropped the workload and cost of repair and maintenance, improved the utilization rate of the roller of cold-rolling mill three.
Embodiment described above is only the preferred embodiment to absolutely prove the utility model and being lifted, the utility model
Protection domain not limited to this.Equivalent substitute or change that those skilled in the art are made on the basis of the utility model
Change, within protection domain of the present utility model.Protection domain of the present utility model is defined by claims.
Claims (9)
1. a kind of roller labyrinth-type excluder of cold-rolling mill three, it is characterised in that：Including being separately positioned on the roller fixing end of cold-rolling mill three
With the sealing mechanism of floating end；
The sealing mechanism includes being used to install bearing and bearing block of the axially position in the body of roll, the inner side of the bearing
Provided be sleeved on roll shaft and with the inner seal ring of the spacing cooperation of roll shaft, the outer ring inner side limiting-position of the bearing block and the bearing
Coordinate, the inner ring fit inside of the inner seal ring and the bearing；Be fixedly mounted in the axle body be provided with outside the bearing
Set is equiped with the outer seal ring with coordinating on the outside of the bearing inner race, and the roller on the bearing gland that circle outside coordinates, roll shaft
Be additionally provided with the retention mechanism for the outer seal ring being pressed abd fixed on the bearing on axle；
The bearing gland is provided with the adpting flange for being used for being fixedly connected with the body of roll；It is arranged on the institute of the roller fixing end of cold-rolling mill three
State bearing gland and the pressure ring coordinated with bearing outer ring outside is provided with towards one end of the bearing coordinated with it, and be arranged on cold-rolling mill
Adjust pad is provided between the adpting flange and the body of roll of three roller fixing ends；It is arranged on the institute of the roller floating end of cold-rolling mill three
State and fit clearance is provided between bearing gland and the bearing outer ring coordinated with it；
Inner side labyrinth seal structure is provided between the bearing block and the inner seal ring；The bearing gland and the external seal
Outside labyrinth seal structure is provided between ring；The inner side labyrinth seal structure include be arranged on the bearing block with it is described interior close
Radial labyrinth I and axial labyrinth I between seal ring；The outside labyrinth seal structure includes being arranged on the bearing gland and institute
The radial labyrinth II between outer seal ring and axial labyrinth II are stated, and also set is equiped with and the bearing pressure on the outer seal ring
Cover the lip-shaped sealed ring coordinated, the bearing gland between axle body provided with sealing ring together with least.
2. the roller labyrinth-type excluder of cold-rolling mill three according to claim 1, it is characterised in that：The inner seal ring includes
Big footpath section I and path section I, the big footpath section I are located at the path section I on the side of the bearing, and the bearing block
Extend radially inwardly provided with the sealing bulge loop I coordinated with the path section I, set between the sealing bulge loop I and the path section I
There is the first axial labyrinth, provided with the second axial labyrinth between the big footpath section I and the bearing block.
3. the roller labyrinth-type excluder of cold-rolling mill three according to claim 2, it is characterised in that：Sealing bulge loop I face
To the side side wall of the bearing provided with projection axially outward, the shaft shoulder between the path section I and big footpath section I is provided with
With the groove of the male cooperation, the radial labyrinth I is formed between the projection and groove.
4. the roller labyrinth-type excluder of cold-rolling mill three according to claim 1, it is characterised in that：The outer seal ring includes
Big footpath section II and path section II, the big footpath section II are located at the path section II towards the side of the bearing, the bearing pressure
Cover and extend radially inwardly the sealing bulge loop II provided with coordinating with the path section II, the sealing bulge loop II and the path section
Provided with the 3rd axial labyrinth between II, provided with the 4th axial labyrinth between the big footpath section II and the bearing gland, and it is described
Sealing bulge loop II is provided with institute between the shaft shoulder towards the side wall of the bearing and between big the footpath section II and path section II
State radial labyrinth II.
5. the roller labyrinth-type excluder of cold-rolling mill three according to claim 4, it is characterised in that：The lip-type seal snare
Dress is arranged in the path section II, and the side side wall of the lip-shaped sealed ring and the sealing bulge loop II dorsad bearing
Laminating.
6. the roller labyrinth-type excluder of cold-rolling mill three according to claim 5, it is characterised in that：The retention mechanism includes
The pressure ring being sleeved on roll shaft and the opening nut coordinated with the roll shaft screw thread, set between the opening nut and the pressure ring
There is thrust washer, and the lip-shaped sealed ring is located between the pressure ring and the sealing bulge loop II.
7. the roller labyrinth-type excluder of cold-rolling mill three according to claim 1, it is characterised in that：The inner seal ring towards
Annular is laid with the bulge loop with the inner ring cooperation of the bearing on the side side wall of the bearing, and the bulge loop is provided with lubrication
Hydraulic fluid port.
8. the roller labyrinth-type excluder of cold-rolling mill three according to claim 7, it is characterised in that：Provided with profit in the roll shaft
Oil pathway, the grease channel includes oil inlet passage and oil discharge passage, and the oil-out of the oil inlet passage is arranged on described
It is connected between inner seal ring and the bearing and with the lubrication hydraulic fluid port, the oil inlet of the oil discharge passage is arranged on outside described
On sealing ring, and the oil inlet is located between the described 4th axial labyrinth and the bearing.
9. the roller labyrinth-type excluder of cold-rolling mill three according to claim 8, it is characterised in that：The outer seal ring and roller
The alignment pin for being used for positioning the oil discharge passage and the oil inlet is provided between axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621477706.8U CN206386480U (en) | 2016-12-30 | 2016-12-30 | The roller labyrinth-type excluder of cold-rolling mill three |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621477706.8U CN206386480U (en) | 2016-12-30 | 2016-12-30 | The roller labyrinth-type excluder of cold-rolling mill three |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206386480U true CN206386480U (en) | 2017-08-08 |
Family
ID=59490865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621477706.8U Active CN206386480U (en) | 2016-12-30 | 2016-12-30 | The roller labyrinth-type excluder of cold-rolling mill three |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206386480U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523714A (en) * | 2016-12-30 | 2017-03-22 | 中铝西南铝冷连轧板带有限公司 | Labyrinth type sealing device for cold mill three-roller part |
| CN112623668A (en) * | 2020-11-19 | 2021-04-09 | 江苏丰尚智能科技有限公司 | Fodder stabilizer and turn over board and arrange material mechanism thereof |
-
2016
- 2016-12-30 CN CN201621477706.8U patent/CN206386480U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523714A (en) * | 2016-12-30 | 2017-03-22 | 中铝西南铝冷连轧板带有限公司 | Labyrinth type sealing device for cold mill three-roller part |
| CN106523714B (en) * | 2016-12-30 | 2018-11-13 | 中铝西南铝冷连轧板带有限公司 | Three roller labyrinth-type excluder of cold-rolling mill |
| CN112623668A (en) * | 2020-11-19 | 2021-04-09 | 江苏丰尚智能科技有限公司 | Fodder stabilizer and turn over board and arrange material mechanism thereof |
| CN112623668B (en) * | 2020-11-19 | 2022-02-22 | 江苏丰尚智能科技有限公司 | Fodder stabilizer and turn over board and arrange material mechanism thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210107 Address after: 401326 Chongqing Jiulongpo District West Industrial Park Patentee after: CHINALCO-SWA PLATES & STRIPS Co.,Ltd. Address before: No.68, aluminum City Avenue, Xipeng Town, Jiulongpo District, Chongqing Patentee before: CHINALCO-SWA COLD ROLLING Co.,Ltd. |
|
| TR01 | Transfer of patent right |